In the Linux Bash shell, the ____ key combination moves the cursor to the position just before the first character of the next word.

In the Linux Bash shell, the ____ key combination moves the cursor to the position just before the first character of the next word.

Alt+l
Alt+d
Ctrl+k
Ctrl+a


Answer: Alt+l

In the Linux Bash shell, the ____ key combination moves the cursor to the beginning of the command line.

In the Linux Bash shell, the ____ key combination moves the cursor to the beginning of the command line.

Ctrl+b
Alt+d
Alt+l
Ctrl+a


Answer: Ctrl+a

In the Linux Bash shell, the ____ key combination deletes the content of the command line from the current cursor position to the end of the command line.

In the Linux Bash shell, the ____ key combination deletes the content of the command line from the current cursor position to the end of the command line.

Ctrl+b
Alt+d
Ctrl+k
Ctrl+a


Answer: Ctrl+k

In the Linux Bash shell, the ____ key combination deletes a word or consecutive characters.

In the Linux Bash shell, the ____ key combination deletes a word or consecutive characters.

Ctrl+b
Alt+d
Alt+l
Ctrl+a


Answer: Alt+d

Write a statement that increments total by the value associated with amount . That is, add the value associated with amount to that associated with total and assign the result to total .

Write a statement that increments total by the value associated with amount . That is, add the value associated with amount to that associated with total and assign the result to total .

Answer: total=(total + amount)

Given a variable profits , write a statement that increases its value by a factor of 10 .

Given a variable profits , write a statement that increases its value by a factor of 10 .

Answer: profits= profits * 10

Given a variable bridge_players , write a statement that increases its value by 4

Given a variable bridge_players , write a statement that increases its value by 4

Answer: bridge_players= bridge_players + 4

In mathematics, the Nth harmonic number is defined to be 1 + 1/2 + 1/3 + 1/4 + ... + 1/N. So, the first harmonic number is 1, the second is 1.5, the third is 1.83333... and so on. Assume that n is an integer variable whose value is some positive integer N. Assume also that hn is a variable whose value is the Nth harmonic number. Write an expression whose value is the (N+1)th harmonic number.

In mathematics, the Nth harmonic number is defined to be 1 + 1/2 + 1/3 + 1/4 + ... + 1/N. So, the first harmonic number is 1, the second is 1.5, the third is 1.83333... and so on. Assume that n is an integer variable whose value is some positive integer N. Assume also that hn is a variable whose value is the Nth harmonic number. Write an expression whose value is the (N+1)th harmonic number.

Answer: hn + 1.0/(n+1)

In mathematics, the Nth harmonic number is defined to be 1 + 1/2 + 1/3 + 1/4 + ... + 1/N. So, the first harmonic number is 1, the second is 1.5, the third is 1.83333... and so on. Write an expression whose value is the 8th harmonic number.

In mathematics, the Nth harmonic number is defined to be 1 + 1/2 + 1/3 + 1/4 + ... + 1/N. So, the first harmonic number is 1, the second is 1.5, the third is 1.83333... and so on. Write an expression whose value is the 8th harmonic number.

Answer: 1 + 1/2 + 1/3 + 1/4 + 1/5 + 1/6 + 1/7 + 1/8

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. The length of all the smaller ones is the same and is stored in the variable small . Similarly, the length of all the larger ones is the same and is stored in the variable large . Write a single expression whose value is the total area of this room. DO NOT any method invocations.

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. The length of all the smaller ones is the same and is stored in the variable small . Similarly, the length of all the larger ones is the same and is stored in the variable large . Write a single expression whose value is the total area of this room. DO NOT any method invocations.

Answer: (small + large) ** 2

The dimensions (width and length) of room1 have been read into two variables : width1 and length1 . The dimensions of room2 have been read into two other variables : width2 and length2 . Write a single expression whose value is the total area of the two rooms.

The dimensions (width and length) of room1 have been read into two variables : width1 and length1 . The dimensions of room2 have been read into two other variables : width2 and length2 . Write a single expression whose value is the total area of the two rooms.

Answer: (width1 length1) + (width2 length2)

Calculate the BMI of a person using the formula BMI = ( Weight in Pounds / ( Height in inches ) x ( Height in inches ) ) x 703 and assign the value to the variable bmi . Assume the value of the weight in pounds has already been assigned to the variable w and the value of the height in inches has been assigned to the variable h . Take care to use floating-point division.

Calculate the BMI of a person using the formula BMI = ( Weight in Pounds / ( Height in inches ) x ( Height in inches ) ) x 703 and assign the value to the variable bmi . Assume the value of the weight in pounds has already been assigned to the variable w and the value of the height in inches has been assigned to the variable h . Take care to use floating-point division.

Answer: bmi = (w/ (h) (h)) 703

Assign the average of the values in the variables a , b , and c to a variable avg . Assume that the variables a , b , and c have already been assigned a value, but do not assume that the values are all floating-point. The average should be a floating-point value.

Assign the average of the values in the variables a , b , and c to a variable avg . Assume that the variables a , b , and c have already been assigned a value, but do not assume that the values are all floating-point. The average should be a floating-point value.

Answer: avg = (a + b + c) / 3

Write an expression that computes the average of the variables exam1 and exam2 (both already assigned values).

Write an expression that computes the average of the variables exam1 and exam2 (both already assigned values).

Answer: (exam1 + exam2) / 2

Write an expression whose value is the last (rightmost) digit of x .

Write an expression whose value is the last (rightmost) digit of x .

Answer: x%10

Assume that price is an integer variable whose value is the price (in US currency) in cents of an item. Assuming the item is paid for with a minimum amount of change and just single dollars, write an expression for the amount of change (in cents) that would have to be paid.

Assume that price is an integer variable whose value is the price (in US currency) in cents of an item. Assuming the item is paid for with a minimum amount of change and just single dollars, write an expression for the amount of change (in cents) that would have to be paid.

price % 100

Assume that a variable x has been assigned a integer value,.

Assume there is a variable , h already assigned a positive integer value. Write the code necessary to assign its square to the variable g . For example, if h had the value 8 then g would get the value 64

Assume there is a variable , h already assigned a positive integer value. Write the code necessary to assign its square to the variable g . For example, if h had the value 8 then g would get the value 64

Answer: g= h**2

You are given two variables , both already defined, one associated with a float and named total_weight , containing the weight of a shipment, the other associated with an int and named quantity , containing the number of items in the shipment. Write an expression that calculates the weight of one item.

You are given two variables , both already defined, one associated with a float and named total_weight , containing the weight of a shipment, the other associated with an int and named quantity , containing the number of items in the shipment. Write an expression that calculates the weight of one item.

Answer: total_weight / quantity

You are given two variables , both already defined. One is named price and is associated with a float and is the price of an order. The other is total_number and is associated with an int and is the number of orders. Write an expression that calculates the total price for all orders.

You are given two variables , both already defined. One is named price and is associated with a float and is the price of an order. The other is total_number and is associated with an int and is the number of orders. Write an expression that calculates the total price for all orders.

Answer: price * total_number

You are given two variables , already defined, named total_weight , containing the weight of a shipment, and weight_of_box , containing the weight of the box in which a product is shipped. Write an expression that calculates the net weight of the product.

You are given two variables , already defined, named total_weight , containing the weight of a shipment, and weight_of_box , containing the weight of the box in which a product is shipped. Write an expression that calculates the net weight of the product.

Answer: total_weight - weight_of_box

Write an expression that computes the difference of two variables sales_summer and sales_spring , both of which have already defined.

Write an expression that computes the difference of two variables sales_summer and sales_spring , both of which have already defined.

Answer: sales_summer - sales_spring

Write an expression that computes the sum of two variables total1 and total2 , which have already been defined.

Write an expression that computes the sum of two variables total1 and total2 , which have already been defined.

Answer: total1 + total2

Write an expression that computes the remainder of the variable principal when divided by the variable divisor . (Assume that each is associated with an int .)

Write an expression that computes the remainder of the variable principal when divided by the variable divisor . (Assume that each is associated with an int .)

Answer: principal % divisor

Given the variables cost_of_bus_rental and max_bus_riders , write an expression corresponding to the cost per rider (assuming the bus is full).

Given the variables cost_of_bus_rental and max_bus_riders , write an expression corresponding to the cost per rider (assuming the bus is full).

Answer: cost_of_bus_rental / max_bus_riders

Given the variable price_per_case , write an expression corresponding to the price of a dozen cases.

Given the variable price_per_case , write an expression corresponding to the price of a dozen cases.

Answer: price_per_case * 12

Given the variables full_admission_price and discount_amount (already defined), write an expression corresponding to the price of a discount admission.

Given the variables full_admission_price and discount_amount (already defined), write an expression corresponding to the price of a discount admission.

Answer: full_admission_price - discount_amount

Write an expression that computes the difference of the variables ending_time and starting_time

Write an expression that computes the difference of the variables ending_time and starting_time

Answer: ending_time - starting_time

Given the variables taxable_purchases and tax_free_purchases (which already have been defined), write an expression corresponding to the total amount purchased.

Given the variables taxable_purchases and tax_free_purchases (which already have been defined), write an expression corresponding to the total amount purchased.

Answer: taxable_purchases + tax_free_purchases

Write an expression that computes the sum of two variables verbal_score and math_score (assume that both have already been defined).

Write an expression that computes the sum of two variables verbal_score and math_score (assume that both have already been defined).

Answer: verbal_score + math_score

A wall has been built with two pieces of sheetrock, a smaller one and a larger one. The length of the smaller one is stored in the variable small . Similarly, the length of the larger one is stored in the variable large . Write a single expression whose value is the length of this wall.

A wall has been built with two pieces of sheetrock, a smaller one and a larger one. The length of the smaller one is stored in the variable small . Similarly, the length of the larger one is stored in the variable large . Write a single expression whose value is the length of this wall.

Answer: small + large

Given two variables matric_age and grad_age , write a statement that makes the associated value of grad_age 4 more than that of matric_age .

Given two variables matric_age and grad_age , write a statement that makes the associated value of grad_age 4 more than that of matric_age .

Answer: grad_age=(4+matric_age)

Variables i and j each have associated values. Swap them, so that i becomes associated with j 's original value, and j becomes associated with is original value. You can use two more variables itemp and jtemp

Variables i and j each have associated values. Swap them, so that i becomes associated with j 's original value, and j becomes associated with is original value. You can use two more variables itemp and jtemp

Answer: i, j=j ,i

Define two variables , one named length making it refer to 3.5 and the other named width making it refer to 1.55 .

Define two variables , one named length making it refer to 3.5 and the other named width making it refer to 1.55 .

Answer:


length = 3.5


width = 1.55

Define a variable "temperature" and make it refer to "98.6" .

Define a variable "temperature" and make it refer to "98.6" .

Answer: temperature = 98.6

Assign 8 to a variable named "eight" .

Assign 8 to a variable named "eight" .

Answer: eight = 8

Define a variable "precise" and make it refer to 1.09388641 .

Define a variable "precise" and make it refer to 1.09388641 .

Answer: precise = 1.09388641

Assign 7 to a variable named "seven"

Assign 7 to a variable named "seven"

Answer: seven = 7

A British logician, whose last name was

A British logician, whose last name was

Answer: Turing

What are logic errors?

What are logic errors?

Answer: errors when a program does not preform the way it was intended to.

What are runtime errors?

What are runtime errors?

Answer: runtime errors are ones that cause a program to terminate abnormally

What is an syntax error?

What is an syntax error?

Answer: A syntax error is one where the code construction is mistyped.

The purpose of testing a program with different combinations of data is to expose run-time and

The purpose of testing a program with different combinations of data is to expose run-time and

Answer: logic error

Division by zero when the program is executing is an example of a

Division by zero when the program is executing is an example of a

Answer: runtime error

An error in a program that involves a violation of language rules will be detected at

An error in a program that involves a violation of language rules will be detected at

Answer: compile time

In object-oriented programming a method is

In object-oriented programming a method is

Answer: a code that allows access to an objects attributes or that carries out some other action for the object

In object-oriented programming a class is

In object-oriented programming a class is

Answer: a model or template from which objects are created.

An operating system does what?

An operating system does what?

Answer: allocates resources like memory to programs that are running

The code that a programmer writes is called

The code that a programmer writes is called

Answer: source code

Regarding Machine language, which statement is NOT true?

Regarding Machine language, which statement is NOT true?

Answer: machine language cannot be used to write a program that can run on any machine

Which of these is not a programming language?

Which of these is not a programming language?

Answer: HTML

What best defines a "programming language"?

What best defines a "programming language"?

Answer: it allows us to express an algorithm

Words that have a special meaning in a programming language are called

Words that have a special meaning in a programming language are called

Answer: keywords

Mice, trackpads, keyboards, scanners, joysticks are all examples of

Mice, trackpads, keyboards, scanners, joysticks are all examples of

Answer: input devices

Monitors, printers, status lights are all examples of

Monitors, printers, status lights are all examples of

Answer: output devices

Flash drives, CDs, external disks are all examples of

Flash drives, CDs, external disks are all examples of

Answer: external storage (memory) devices

3K means about 3 thousand bytes. How would you express four trillion bytes?

3K means about 3 thousand bytes. How would you express four trillion bytes?

Answer: 4TB

3K means about 3 thousand bytes. How would you express five billion bytes?

3K means about 3 thousand bytes. How would you express five billion bytes?

Answer: 5GB

3K means about 3 thousand bytes. How would you express two hundred million bytes?

3K means about 3 thousand bytes. How would you express two hundred million bytes?

Answer: 200MB

RAM, random-access memory, is called that because

RAM, random-access memory, is called that because

Answer: you can pick any two random locations and it will take the same time to access the data

In modern computer systems, a byte consists of

In modern computer systems, a byte consists of

Answer: 8 bits

A byte in memory is identified by a unique number called its

A byte in memory is identified by a unique number called its

Answer: address

At each step of its operation, the input to a Central Processing Unit is

At each step of its operation, the input to a Central Processing Unit is

Answer: an instruction

When a program is not running, it is stored

When a program is not running, it is stored

Answer: on a disk

When a program runs on a computer, it is stored in

When a program runs on a computer, it is stored in

Answer: memory

When a program runs on a computer, the part of the computer that carries out the instructions is called the

When a program runs on a computer, the part of the computer that carries out the instructions is called the

Answer: CPU

Fedora, Red Hat Enterprise Linux, SUSE, and Knoppix, recognize up to ____ characters in your user name.

Fedora, Red Hat Enterprise Linux, SUSE, and Knoppix, recognize up to ____ characters in your user name.

• 8
• 16
• 32
• 64

Answer: 32

Currently, the ____ project, a joint effort of experts from industry, academia, and government, is working to standardize UNIX.

Currently, the ____ project, a joint effort of experts from industry, academia, and government, is working to standardize UNIX.

• POSIX
• BSD
• ANSI
• Ubuntu

Answer: POSIX

A ____ is used to refer to the user's home directory.

A ____ is used to refer to the user's home directory.

• dot (.)
• dollar sign ($)
• forward slash (/)
• tilde (~)

Answer: tilde (~)

When a statement within a try block causes an exception, the remaining statements in the try block

When a statement within a try block causes an exception, the remaining statements in the try block

a. are executed before the statements in the catch block
b. are executed after the statements in the catch block
c. aren't executed


Answer: c. aren't executed

When is the code within a catch block executed?

When is the code within a catch block executed?

a. When the code in the try block doesn't compile
b. When the try block finishes executing
c. When a runtime error occurs
d. When the exception specified in the catch block is thrown in the try block


Answer: d. When the exception specified in the catch block is thrown in the try block

Which class in the following list of classes are all exceptions subclasses of?

Which class in the following list of classes are all exceptions subclasses of?

a. Throwable
b. Exception
c. Error
d. RuntimeException


Answer: b. Exception

Which of the following classes define exceptions that can occur in a Java application?

Which of the following classes define exceptions that can occur in a Java application?

a. ArithmeticException
b. NumberFormatException
c. NullPointerException
d. all of the above
e. none of the above


Answer: d. all of the above

You should validate user entries rather than catch and handle exceptions caused by invalid entries whenever possible because

You should validate user entries rather than catch and handle exceptions caused by invalid entries whenever possible because

a. data validation code should only be used for situations that are truly exceptional
b. all of the above
c. you can more accurately determine the cause of an invalid entry
d. your code will run faster


Answer: d. your code will run faster

Exception in thread "main" java.util.InputMismatchException

Exception in thread "main" java.util.InputMismatchException

at java.util.Scanner.throwFor(Scanner.java:818)
at java.util.Scanner.next(Scanner.java:1420)
at java.util.Scanner.nextDouble(Scanner.java:2324)
at FutureValueApp.main(FutureValueApp.java:17)
What is the order of method calls?

a. java.util.Scanner.throwFor calls java.util.Scanner.next calls java.util.Scanner.nextDouble calls FutureValueApp.main
b. FutureValueApp.main calls java.util.Scanner.nextDouble calls java.util.Scanner.next calls java.util.Scanner.throwFor
c. you can't tell from the information given


Answer: b. FutureValueApp.main calls java.util.Scanner.nextDouble calls java.util.Scanner.next calls java.util.Scanner.throwFor

Exception in thread "main" java.util.InputMismatchException

Exception in thread "main" java.util.InputMismatchException

at java.util.Scanner.throwFor(Scanner.java:818)
at java.util.Scanner.next(Scanner.java:1420)
at java.util.Scanner.nextDouble(Scanner.java:2324)
at FutureValueApp.main(FutureValueApp.java:17)
Which statement would you look at to find the source of the problem?



a. line 818 in the Scanner class
b. line 2324 in the Scanner class
c. line 17 in the FutureValueApp class
d. line 1420 in the Scanner class


Answer: c. line 17 in the FutureValueApp class

Exception in thread "main" java.util.InputMismatchException

Exception in thread "main" java.util.InputMismatchException

at java.util.Scanner.throwFor(Scanner.java:818)
at java.util.Scanner.next(Scanner.java:1420)
at java.util.Scanner.nextDouble(Scanner.java:2324)
at FutureValueApp.main(FutureValueApp.java:17)
What caused the exception to occur?



a. You can't tell from the information given.
b. The user didn't enter the type of data the program was expecting.
c. The program couldn't format the double value that the user entered.


Answer: b. The user didn't enter the type of data the program was expecting.

Exception in thread "main" java.util.InputMismatchException

Exception in thread "main" java.util.InputMismatchException

at java.util.Scanner.throwFor(Scanner.java:818)
at java.util.Scanner.next(Scanner.java:1420)
at java.util.Scanner.nextDouble(Scanner.java:2324)
at FutureValueApp.main(FutureValueApp.java:17)
What is this output called?



a. a method log
b. a stack trace
c. an exception handler
d. an exception hierarchy


Answer: b. a stack trace

You should validate user entries rather than catch and handle exceptions caused by invalid entries whenever possible because

You should validate user entries rather than catch and handle exceptions caused by invalid entries whenever possible because

a. all of the above
b. data validation code should only be used for situations that are truly exceptional
c. your code will run faster
d. you can more accurately determine the cause of an invalid entry


Answer: c. your code will run faster

Which of the following classes define exceptions that can occur in a Java application?

Which of the following classes define exceptions that can occur in a Java application?

a. ArithmeticException
b. NumberFormatException
c. NullPointerException
d. all of the above
e. none of the above


Answer: d. all of the above

Which class in the following list of classes are all exceptions subclasses of?

Which class in the following list of classes are all exceptions subclasses of?

a. Error
b. Exception
c. Throwable
d. RuntimeException


Answer: b. Exception

When is the code within a catch block executed?

When is the code within a catch block executed?

a. When the exception specified in the catch block is thrown in the try block
b. When the try block finishes executing
c. When the code in the try block doesn't compile
d. When a runtime error occurs


Answer: a. When the exception specified in the catch block is thrown in the try block

When a statement within a try block causes an exception, the remaining statements in the try block

When a statement within a try block causes an exception, the remaining statements in the try block

a. aren't executed
b. are executed before the statements in the catch block
c. are executed after the statements in the catch block


Answer: a. aren't executed

What is the main reason for using a generic data validation method?

What is the main reason for using a generic data validation method?

a. It runs faster than validation code in the main method.
b. It saves you from writing variations of the same code again and again to check multiple data entries.
c. It prevents NumberFormatExceptions from being thrown.
d. None of the above.



Answer: b. It saves you from writing variations of the same

To handle an exception using the try statement, you must

To handle an exception using the try statement, you must

a. code a try block around the statement that may throw the exceptions
b. code a finally block that contains the statements that will be executed at the end of the try statement
c. code a catch block that contains the statements that you want to be executed when the exception occurs
d. all of the above
e. a and c only


Answer: e. a and c only

To determine the cause of an unhandled exception, you can

To determine the cause of an unhandled exception, you can

a. use the name of the exception class that's displayed
b. use the error message that's displayed
c. use the information in the stack trace
d. all of the above


Answer: d. all of the above

The has methods of the Scanner class let you

The has methods of the Scanner class let you

a. check if the user has entered data at the console
b. check if the data entered at the console can be converted to a specific data type
c. retrieve and discard data that isn't required by the application
d. all of the above
e. a and b only


Answer: e. a and b only

In Java, exceptions are

In Java, exceptions are

a. statements
b. classes
c. compile-time errors
d. objects


Answer: d. objects

Which statement dynamically assigns an image named car in the drawable folder to an ImageView control?

Which statement dynamically assigns an image named car in the drawable folder to an ImageView control?

a. ​car.setImageResource(R.drawable.image);​
b. image.setImageResource(R.drawable.car);​
c. ​image.setImageResource(car.R.drawable);​
d. SetImageResource.image(R.drawable.car);​


Answer: b. image.setImageResource(R.drawable.car);​

Which of the following correctly completes the statement below to instantiate a SharedPreferences object?

Which of the following correctly completes the statement below to instantiate a SharedPreferences object?

SharedPreferences sharedPref =


a. PreferenceManager.getDefaultSharedPreferences(this);
b. SharedPreferences.PreferenceManager.getDefault(this);
c. SharedPreferences.getDefaultPreferenceManager(this);
d. PreferenceManager.SharedPreferences.getDefault(this);


Answer: a. PreferenceManager.getDefaultSharedPreferences(this);

Which type of storage is used if data is saved to an SD card?

Which type of storage is used if data is saved to an SD card?

a. Shared preferences
b. External
c. Internal
d. Network connection


Answer: b. External

Which type of file does the SharedPreferences object save data to?

Which type of file does the SharedPreferences object save data to?

a. XML
b. DAT
c. SRC
d. RES


Answer: a. XML

Which method is used to store integer data in a SharedPreferences object?

Which method is used to store integer data in a SharedPreferences object?

a. placeInt( )
b. saveInteger( )
c. putInt( )
d. storeInteger( )


Answer: c. putInt( )

Which method is used to retrieve a Boolean value from a SharedPreferences object?

Which method is used to retrieve a Boolean value from a SharedPreferences object?

a. readBool()
b. readBoolean()
c. getBoolean()
d. getBool()


Answer: c. getBoolean()

Which data type is NOT supported by the SharedPreferences class?​

Which data type is NOT supported by the SharedPreferences class?​

a. string
b. long
c. char
d. float


Answer: c. char

Which Android tool can store data that can be used in different Activities of your application or by another application?

Which Android tool can store data that can be used in different Activities of your application or by another application?

a. KeyTool
b. SharedPreferences
c. ListSave
d. ListPreferences


Answer: b. SharedPreferences

When you write data using SharedPreferences, with which SharedPreferences object can you make changes?

When you write data using SharedPreferences, with which SharedPreferences object can you make changes?

a. SharedPreferences Editor
b. SharedPreferences Manager
c. SharedPreferences Status
d. SharedPreferences Memory


Answer: a. SharedPreferences Editor

What's the first step when writing persistent data using a SharedPreferences file?

What's the first step when writing persistent data using a SharedPreferences file?

a. Create a SharedPreferences.Editor object
b. Obtain an instance of the SharedPreferences file
c. Assign values into SharedPreferences objects
d. Save the values to the preferences file


Answer: b. Obtain an instance of the SharedPreferences file

What is the maximum number of shared preferences you can create?

What is the maximum number of shared preferences you can create?

a. 25 or less
b. It's based on the number of apps.
c. unlimited
d. less than 10


Answer: c. unlimited

What is one of the most effective ways to save simple application data to an Android device?

What is one of the most effective ways to save simple application data to an Android device?

a. SQLite database
b. external storage
c. internal storgage
d. SharedPreferences object


Answer: d. SharedPreferences object

What does the abbreviation SQL stand for?

What does the abbreviation SQL stand for?

a. Structured Quorum List
b. Simple Quorum Language
c. Simple Query List
d. Structured Query Language


Answer: d. Structured Query Language

The following permissions are necessary in the Android Manifest file to use which type of storage?

The following permissions are necessary in the Android Manifest file to use which type of storage?

a. indexed
b. external
c. volatile
d. internal


Answer: b. external

The SharedPreferences class provides one of the easiest ways to save and load data. Which specific data type does this refer to?

The SharedPreferences class provides one of the easiest ways to save and load data. Which specific data type does this refer to?

a. encrypted data
b. persistent data
c. application data
d. primitive data


Answer: d. primitive data

In an Android project, an ImageView control can display an image by assigning what in the XML layout file?

In an Android project, an ImageView control can display an image by assigning what in the XML layout file?

a. hashtag
b. workspace
c. target grid
d. source path


Answer: d. source path

In a key-value pair, what is the key that uniquely identifies the preference?

In a key-value pair, what is the key that uniquely identifies the preference?

a. int
b. string
c. Boolean
d. float


Answer: b. string

If you have a large amount of data to store as persistent data, which of the following storage methods would be most efficient?

If you have a large amount of data to store as persistent data, which of the following storage methods would be most efficient?

a. network connection
b. SD card
c. the device's internal storage
d. database


Answer: d. database

If data is lost when an app or the device stops running where was the data stored?

If data is lost when an app or the device stops running where was the data stored?

a. RAM
b. a memory card
c. the device's driver
d. a cloud service


Answer: a. RAM

If a string value is undefined in a key's value, what is it set to?

If a string value is undefined in a key's value, what is it set to?

a. " "
b. null
c. the number 0
d. *


Answer: b. null

If a numeric value is undefined in a key's value, what is it set to?

If a numeric value is undefined in a key's value, what is it set to?

a. null
b. -1
c. 0
d. undefined


Answer: c. 0

How does the Shared preferences option of storing persistent data store private data?

How does the Shared preferences option of storing persistent data store private data?

a. shared external storage
b. key-value pairs
c. private database
d. public cloud


Answer: b. key-value pairs

For Shared Preferences methods, what does the method return to the application if the preference is undefined?

For Shared Preferences methods, what does the method return to the application if the preference is undefined?

a. "undefined" string
b. error code
c. default value
d. -1


Answer: c. default value

Before an app attempts to connect to a network connection, what action should be taken?

Before an app attempts to connect to a network connection, what action should be taken?

a. The app should scan the quality of the network.
b. No action needs to be taken.
c. The app should see if an Internet connection is available.
d. The app should open a network's web browser.


Answer: c. The app should see if an Internet connection is available.

After the app is terminated, what happens to the data stored within the SQLite database?

After the app is terminated, what happens to the data stored within the SQLite database?

a. It erases.
b. It pauses.
c. It persists.
d. It is transferred to another location.


Answer: c. It persists.

Which variable allows you to store multiple values in one variable at the same time?

Which variable allows you to store multiple values in one variable at the same time?

a. array variable
b. list variable
c. index variable
d. temporary variable


Answer: a. array variable

Which type of control do you use to contain a list of items that allows a user to select an item in the list for further action?

Which type of control do you use to contain a list of items that allows a user to select an item in the list for further action?

a. ArrayView
b. RadioGroup
c. ListView
d. TableLayout


Answer: c. ListView

Which statement in a custom XML layout for a ListView sets the size of the text to 20sp?

Which statement in a custom XML layout for a ListView sets the size of the text to 20sp?

a. android:textSize="20sp"
b. ListView:textSize="20sp"
c. android:text="20sp"
d. ListView:text="20sp"



Answer: a. android:textSize="20sp"

Which statement allows you to evaluate a value and execute a block of statements based on an integer or single character input?

Which statement allows you to evaluate a value and execute a block of statements based on an integer or single character input?

a. case statement
b. switch statement
c. select statement
d. choose statement


Answer: b. switch statement

Which of the following terms provides a data model for the layout of the list?

Which of the following terms provides a data model for the layout of the list?

a. blueprint
b. skeleton
c. adapter
d. abstraction


Answer: c. adapter

Which of the following is the correct syntax for the beginning of a switch statement that evaluates a variable named choice?​

Which of the following is the correct syntax for the beginning of a switch statement that evaluates a variable named choice?​

a. case(choice):
b. switch[choice] {​
c. switch(choice) {
d. case[choice]:


Answer: c. switch(choice) {

Which of the following controls allows you to create a two-level list?

Which of the following controls allows you to create a two-level list?

a. ExpandableListView control
b. ListView control
c. MajorListView
d. TwoListView control


Answer: a. ExpandableListView control

Which method is called when an item in a list is selected?

Which method is called when an item in a list is selected?

a. onListItemClick
b. itemWasClicked
c. itemClicked
d. clicked


Answer: a. onListItemClick

Which intent action opens a Web browser on the Android?

Which intent action opens a Web browser on the Android?

a. WEB_VIEW
b. ACTION_VIEW
c. BROWSE_VIEW
d. HTTP_VIEW


Answer: b. ACTION_VIEW

Which browser is not supported in Android?

Which browser is not supported in Android?

a. Internet Explorer
b. Firefox
c. Dolphin
d. Opera


Answer: a. Internet Explorer

Which XML code statement places an icon named ic_city.png to the right of the text in a ListView display?

Which XML code statement places an icon named ic_city.png to the right of the text in a ListView display?

a. android:drawableRight="@drawable/ic_city"
b. ​icons:drawableRight="@drawable/ic_city"
c. ​icons:iconRight="@icon/ic_city"
d. ​android:iconRight="@icon/ic_city"


Answer: a. android:drawableRight="@drawable/ic_city"

Which ListView control provides a two-level list?

Which ListView control provides a two-level list?

a. DoubleListView
b. MultiListView
c. ExpandableListView
d. AdvancedListView


Answer: c. ExpandableListView

Where is the strings.xml file located?

Where is the strings.xml file located?

a. res/drawable-mdpi folder
b. res/layout folder
c. res/values folder
d. res/drawable-hdpi folder


Answer: c. res/values folder

When opening a Web site with an intent, what is the last argument?

When opening a Web site with an intent, what is the last argument?

a. URL
b. string
c. image
d. URI


Answer: d. URI

When a list item is selected, what part of it is passed to the executing code?

When a list item is selected, what part of it is passed to the executing code?

a. position
b. signature
c. bytecode
d. name


Answer: a. position

What statement should you put at the end of a switch statement if you want a block of code to be executed in the event none of the case statement values matches?

What statement should you put at the end of a switch statement if you want a block of code to be executed in the event none of the case statement values matches?

a. try:
b. option:
c. execute:
d. default:


Answer: d. default:

What should end the block of code in each case statement to prevent the subsequent case statement from being executed as well?

What should end the block of code in each case statement to prevent the subsequent case statement from being executed as well?

a. default;
b. break;
c. exit;
d. end;


Answer: b. break;

What method projects your data to the onscreen list by connecting a ListView object to array data?

What method projects your data to the onscreen list by connecting a ListView object to array data?

a. setListAdapter method
b. projectArrayAdapter method
c. createViewAdapter method
d. useListAdapter method


Answer: a. setListAdapter method

What is used so apps can talk to each other in a very simple way?

What is used so apps can talk to each other in a very simple way?

a. activities
b. classes
c. intents
d. values


Answer: c. intents

What is the generic layout to a simple list?

What is the generic layout to a simple list?

a. simple_list_item_multiple_choice
b. simple_list_item_2
c. simple_list_item_1
d. simple_list_item_checked


Answer: c. simple_list_item_1

What is the generic layout that displays checkboxes?

What is the generic layout that displays checkboxes?

a. list_item_checked
b. boxed_list_item
c. simple_list_item_checked
d. checked_list_item


Answer: c. simple_list_item_checked

What does the acronym URL stand for?

What does the acronym URL stand for?

a. Uniform Resource Locator
b. Usual Random Lesson
c. Universal Redirection Locale
d. Utility Rendering Logo


Answer: a. Uniform Resource Locator

In what is the reference for an array enclosed?

In what is the reference for an array enclosed?

a. < >
b. { }
c. [ ]
d. ( )


Answer: c. [ ]

If the primary purpose of a class is to display a ListView control, which of the following controls is recommended to extend the class from?

If the primary purpose of a class is to display a ListView control, which of the following controls is recommended to extend the class from?

a. SelectionActivity
b. ViewingActivity
c. ListActivity
d. Activity


Answer: c. ListActivity

If a Java View list exceeds the length of the screen, what is done to the list?

If a Java View list exceeds the length of the screen, what is done to the list?

a. the list is truncated
b. the list is shrunk to fit
c. the list is paginated
d. the list is made scrollable


Answer: d. the list is made scrollable

Whenever a request is made for a document with an extension of____, the Web server sends the file to the scripting engine for processing.

Whenever a request is made for a document with an extension of____, the Web server sends the file to the scripting engine for processing.

a. .aspx
b. .asx
c. .astx
d. .aspn


Answer: a. .aspx

The values, or data, contained in variables are classified into categories known as ____.

The values, or data, contained in variables are classified into categories known as ____.

a. simple types
b. data types
c. object types
d. variable types


Answer: b. data types

The term ____ refers to the process of verifying that your HTML5 (or XHTML) document is well formed, and checking that the elements in your document are correctly written according to the element definitions in a specific DTD.

The term ____ refers to the process of verifying that your HTML5 (or XHTML) document is well formed, and checking that the elements in your document are correctly written according to the element definitions in a specific DTD.

a. validation
b. parsing
c. interpreting
d. recognizing


Answer: a. validation

You can group selectors so they share the same style declarations by separating each selector with a ____.

You can group selectors so they share the same style declarations by separating each selector with a ____.

a. comma
b. semicolon
c. forward slash
d. colon


Answer: a. comma

In the following code snippet, "section" is the ____.

In the following code snippet, "section" is the ____.

section
{
border: 2px double blue;
padding: 1em;
margin: 1.5em;
}

a. class
b. rule
c. selector
d. property declaration


Answer: c. selector

CSS styles consist of rule sets applied to HTML elements by their selectors (e.g., body, h1, p, .myclass, #myid, etc.). However, a single rule consists of a property and its value, separated by a ____.

CSS styles consist of rule sets applied to HTML elements by their selectors (e.g., body, h1, p, .myclass, #myid, etc.). However, a single rule consists of a property and its value, separated by a ____.

a. colon
b. comma
c. semicolon
d. forward slash


Answer: a. colon

Used for text and numerical entries

Used for text and numerical entries

Answer: input boxes

Used to indicate what type of data a form is submitting

Used to indicate what type of data a form is submitting

Answer: enctype

Used to append form data to a URL

Used to append form data to a URL

Answer: get

Can be used to group items on a drop-down list

Can be used to group items on a drop-down list

Answer: option groups

Can be used to create an email field that is part of your form but not displayed

Can be used to create an email field that is part of your form but not displayed

Answer: hidden

Used to organize form elements

Used to organize form elements

Answer: field sets

Used for extended entries that can include several lines of text

Used for extended entries that can include several lines of text

Answer: text areas

Used for long lists of options

Used for long lists of options

Answer: selection lists

Can be clicked to start processing the form

Can be clicked to start processing the form

Answer: form buttons

Used to select a single option from a predefined list

Used to select a single option from a predefined list

Answer: option buttons

Basic element storing each piece of form information

Basic element storing each piece of form information

Answer: fields

Used to specify an item as either present or absent

Used to specify an item as either present or absent

Answer: check boxes

The ____ attributes define the dimensions of a text area.

The ____ attributes define the dimensions of a text area.

Answer: rows and cols

The ____ style can be used to change label elements into block elements.

The ____ style can be used to change label elements into block elements.

Answer: display: block

The ____ attribute of the < form > tag represents the older standard for identifying each form on the page.

The ____ attribute of the <form> tag represents the older standard for identifying each form on the page.

Answer: name

Information entered into a field is called the field ____.

Information entered into a field is called the field ____.

Answer: value

Selection lists usually appear in a ____ box.

Selection lists usually appear in a ____ box.

Answer: drop-down list

The ____ control element is used to create a custom button.

The ____ control element is used to create a custom button.

Answer: button

In the following rule set, h1 is the

In the following rule set, h1 is the

h1
{
font-size: 700;
color: black;
background-color: yellow;
margin: 10px;
}

a. rule
b. selector
c. property
d. value
e. declaration


Answer: b. selector

_____ is a generic grouping element.

_____ is a generic grouping element.

a. <dir>
b. <div>
c. <dd>
d. <span>


Answer: b. <div>

To add notes or comments, insert a comment tag using the syntax ______

To add notes or comments, insert a comment tag using the syntax ______

a. <---comment>
b. <!--comment-->
c. </--comment>
d. <!--comment!-->


Answer: b. <!--comment-->

One benefit of using external style sheets with the @import method is that

One benefit of using external style sheets with the @import method is that

a. it is more efficient than using the link method.
b. it uses less code than using the link method.
c. it requires fewer round trips than using the link method.
d. it is easier to implement into an existing style sheet when working with a large number of files.


Answer: d. it is easier to implement into an existing style sheet when working with a large number of files.

To use the styles in an external style sheet,

To use the styles in an external style sheet,

a. you use the Style attribute of a document head to identify the style sheet
b. you use the Link attribute of an element to identify the style sheet
c. you use the Link element of a document head to identify the style sheet
d. you use the Style attribute of an element to identify a specific style rule


Answer: c. you use the Link element of a document head to identify the style sheet

To code a selector for an HTML element, you code

To code a selector for an HTML element, you code

a. the element name preceded by a pound sign (#)
b. the element name preceded by a semicolon
c. the element name preceded by a period
d. the element name


Answer: d. the element name

The basic appearance of the text in an HTML document is determined by

The basic appearance of the text in an HTML document is determined by

a. IIS
b. ASP.NET
c. the browser
d. your application


Answer: c. the browser

Which of the following statements is true?

Which of the following statements is true?

a. The Label control has a TabStop property, but can't accept focus.
b. The Label control has a TabStop property, but it is ignored.
c. The Label control doesn't have a TabStop property.
d. The Label control has a TabStop property and can accept focus.



Answer: c. The Label control doesn't have a TabStop property.

What would you set the Text property of a label to if you want the label to appear as shown below, with the letter n as the access key?

What would you set the Text property of a label to if you want the label to appear as shown below, with the letter n as the access key?

a. I_nvoice number
b. I*nvoice number
c. nInvoice number
d. I&nvoice number


Answer: d. I&nvoice number

What is the purpose of the Common Language Runtime?

What is the purpose of the Common Language Runtime?

a. it provides pre-written code that can be used by .NET applications
b. it manages the execution of .NET applications
c. it specifies the format of compiled .NET applications
d. it specifies the data types that can be used by .NET applications


Answer: b. it manages the execution of .NET applications

What is the purpose of the .NET Framework Class Library?

What is the purpose of the .NET Framework Class Library?

a. it manages the execution of .NET applications
b. it specifies the data types that can be used by .NET applications
c. it provides pre-written code that can be used by .NET applications
d. it specifies the format of compiled .NET applications


Answer: c. it provides pre-written code that can be used by .NET applications

What is the name of the Visual Studio window that contains controls that you can drag and drop?

What is the name of the Visual Studio window that contains controls that you can drag and drop?

a. Form Designer
b. Code Editor
c. Toolbox
d. Properties window


Answer: c. Toolbox

To work with the files of a solution, you use a Visual Studio window called the

To work with the files of a solution, you use a Visual Studio window called the

a. Form Explorer
b. Solution Explorer
c. Solution Designer
d. Form Designer


Answer: b. Solution Explorer

To select two or more controls, you can

To select two or more controls, you can

a. hold down either the Shift or Ctrl key while you click on them
b. drag an outline around the controls while you're holding down the Alt key
c. hold down the Shift key while you click on them
d. hold down the Ctrl key while you click on them


Answer: a. hold down either the Shift or Ctrl key while you click on them

To create an access key that will move the focus to a text box, you

To create an access key that will move the focus to a text box, you

a. set the AccessKey property of the text box
b. set the access key in the Text property of the text box
c. set the access key in the Text property of the label immediately after the text box
d. set the access key in the Text property of the label immediately before the text box


Answer: d. set the access key in the Text property of the label immediately before the text box

To change the file name for a form, project, or solution you use the

To change the file name for a form, project, or solution you use the

a. Form Designer
b. Toolbox
c. Solution Explorer
d. Code Editor



Answer: c. Solution Explorer

The tab order determines the order in which

The tab order determines the order in which

a. the controls are displayed on the form
b. the user must enter data into the controls on a form
c. the tabs in the Form Designer window are displayed
d. the controls on a form receive focus when the user presses the Tab key


Answer: d. the controls on a form receive focus when the user presses the Tab key

The primary components of the .NET Framework are the .NET Framework Class Library and the

The primary components of the .NET Framework are the .NET Framework Class Library and the

a. Common Language Runtime
b. Common Type Library
c. Command Language Runtime
d. Managed Type Runtime



Answer: a. Common Language Runtime

The Text property of a control determines

The Text property of a control determines

a. the name of the control and the text that's displayed in it
b. the name that you use to refer to the control in your C# code
c. the text that's displayed in the control
d. the text that's displayed in the form


Answer: c. the text that's displayed in the control

The .NET Framework Class Library consists of

The .NET Framework Class Library consists of

a. classes that are organized into namespaces
b. solutions that are organized into sublibraries
c. classes that are organized into sublibraries
d. solutions that are organized into namespaces


Answer: a. classes that are organized into namespaces

Before a C# application can be run, it must be compiled into a language called

Before a C# application can be run, it must be compiled into a language called

a. Microsoft Intermediate Language
b. Microsoft Runtime Language
c. Microsoft Common Language
d. Microsoft Solution Language


Answer: a. Microsoft Intermediate Language

An assembly is

An assembly is

a. an executable file that includes the MSIL or IL
b. a container that holds projects
c. the source file for a .NET application
d. a secondary file required by an application, such as a graphic image or sound file


Answer: a. an executable file that includes the MSIL or IL

Access keys let the user activate a control by

Access keys let the user activate a control by

a. pressing Alt and Ctrl plus another key
b. pressing Alt plus another key
c. pressing Shift plus another key
d. pressing Ctrl plus another key


Answer: b. pressing Alt plus another key

A solution is

A solution is

a. the source file for a .NET application
b. an executable file that contains MSIL or IL
c. a container that holds projects
d. a secondary file required by an application, such as a graphic image or sound file


Answer: c. a container that holds projects

A Windows Forms application runs

A Windows Forms application runs

a. in a web browser
b. under control of the compiler
c. under the Windows operating system
d. in the console of Visual Studio


Answer: c. under the Windows operating system

Which part of the following URL identifies the server that's hosting the web site? http://localhost/MainStore/Hours.aspx

Which part of the following URL identifies the server that's hosting the web site?
http://localhost/MainStore/Hours.aspx

a. localhost
b. Hours.aspx
c. http
d. MainStore


Answer: a. localhost

Unlike a static web page, a dynamic web page

Unlike a static web page, a dynamic web page

a. can't be displayed in a web browser
b. is created in response to an HTTP request
c. consists of HTML
d. is generated by a program running on an application server


Answer: d. is generated by a program running on an application server

The protocol that's used by a web browser and a web server to communicate in a web application is

The protocol that's used by a web browser and a web server to communicate in a web application is

a. IIS
b. DBMS
c. HTML
d. HTTP


Answer: d. HTTP

The only software component that's required to run a web application on a client is

The only software component that's required to run a web application on a client is

a. a compiler
b. a web browser
c. a web server
d. an application server


Answer: b. a web browser

The main purpose of the .NET Framework Class Library is to

The main purpose of the .NET Framework Class Library is to

a. provide the classes that are used for developing .NET applications
b. provide the classes that are needed for developing database applications
c. manage the execution of .NET applications
d. manage the development of the web pages


Answer: a. provide the classes that are used for developing .NET applications

The component of the .NET Framework that manages the execution of .NET programs is the

The component of the .NET Framework that manages the execution of .NET programs is the

a. Common Type System
b. Operating System
c. Common Language Runtime (CLR)
d. Visual Studio .NET compiler


Answer: c. Common Language Runtime (CLR)

In an Internet development environment, you use an FTP server to

In an Internet development environment, you use an FTP server to

a. transfer files between the client computer and the web server
b. access data on a server other than the web server
c. send an HTTP request to the web server
d. process a request for a dynamic web page


Answer: a. transfer files between the client computer and the web server

Indicate the correct initialization of the follow variables 'a' and 'b':

Indicate the correct initialization of the follow variables 'a' and 'b':

a. int a = 12, b = 20.5;
b. int a = 12; b = 20;
c. int a = 12; int b = 20;
d. int a = b = 12;


Answer: a. int a = 12, b = 20.5;

Select the following data types in order of increasing size:

Select the following data types in order of increasing size:

a. long < short < int < sbyte
b. sbyte < short < int < long
c. short < sbyte < int < long
d. short < int < sbyte < long


Answer: b. sbyte < short < int < long

How many bytes are stored in the C# long data type?

How many bytes are stored in the C# long data type?

a. 8
b. 4
c. 2
d. 1


Answer: a. 8

How many bits are in one byte?

How many bits are in one byte?

a. 1
b. 2
c. 4
d. 8


Answer: d. 8

You can get context-sensitive help information from the Code Editor by

You can get context-sensitive help information from the Code Editor by

a. selecting Contents from the Help menu
b. selecting Index from the Help menu
c. positioning the insertion point in a keyword and pressing F1
d. selecting Search from the Help menu


Answer: c. positioning the insertion point in a keyword and pressing F1

Which of the following statements is true?

Which of the following statements is true?

a. You can't use C# keywords in a comment.
b. Comments can be inaccurate or out of date.
c. Comments make the program run slower.
d. Comments must appear at the beginning of a line.



Answer: b. Comments can be inaccurate or out of date.

Which of the following is not defined by a class?

Which of the following is not defined by a class?

a. events
b. properties
c. notices
d. methods


Answer: c. notices

Which of the following is not a recommended way to improve the readability of your C# code?

Which of the following is not a recommended way to improve the readability of your C# code?

a. Use indentation to align related elements of code.
b. Use spaces to separate words, values, and operators.
c. Use all capital letters for variable names.
d. Use blank lines before and after groups of related statements.


Answer: c. Use all capital letters for variable names.

Which of the following examples is a valid C# comment?

Which of the following examples is a valid C# comment?

a. // This is a comment
b. / This is a comment
c. \ This is a comment
d. ' This is a comment


Answer: a. // This is a comment

When you test an application, your goal is to

When you test an application, your goal is to

a. find runtime errors
b. fix syntax errors
c. find syntax errors
d. fix runtime errors


Answer: a. find runtime errors

When a running application encounters a problem that prevents a statement from being executed,

When a running application encounters a problem that prevents a statement from being executed,

a. a build error occurs
b. a runtime error occurs
c. a debugging error occurs
d. a syntax error occurs


Answer: b. a runtime error occurs

What is the term for a method that responds to events?

What is the term for a method that responds to events?

a. event procedure
b. event handling method
c. event wiring
d. event handler


Answer: d. event handler

What is another name for a runtime error?

What is another name for a runtime error?

a. erratum
b. exception
c. event
d. break



Answer: b. exception

To say that a C# application is event-driven means that it responds to

To say that a C# application is event-driven means that it responds to

a. application events only
b. class events only
c. user events and other types of events
d. user events only


Answer: c. user events and other types of events

To refer to a property of an object in your C# code, you code the

To refer to a property of an object in your C# code, you code the

a. property name followed by a period and the class name
b. object name followed by a period and the property name
c. property name followed by a period and the object name
d. class name followed by a period and the property name


Answer: b. object name followed by a period and the property name

One common cause of a runtime error is

One common cause of a runtime error is

a. a form that has invalid property settings
b. a user entry that can't be converted to a number
c. a control that has invalid property settings
d. misspelled keywords in the C# code


Answer: b. a user entry that can't be converted to a number

Instantiation is the process of generating

Instantiation is the process of generating

a. a member from a class
b. an instance of an object
c. an object from a class
d. an instance of a member


Answer: c. an object from a class

C# statements must end with a

C# statements must end with a

a. colon - :
b. period - .
c. slash - /
d. semicolon - ;


Answer: d. semicolon - ;

Blocks of code are enclosed in

Blocks of code are enclosed in

a. braces - { }
b. brackets - [ ]
c. slashes - / /
d. parentheses - ( )


Answer: a. braces - { }

An object is

An object is

a. an instance of a class
b. code that defines the characteristics of a class
c. a grouping of related classes
d. code for a Windows form


Answer: a. an instance of a class

A syntax error is identified in

A syntax error is identified in

a. the Code Editor window only
b. the Error List window only
c. the Code Editor window and the Error List window


Answer: c. the Code Editor window and the Error List window

A data tip

A data tip

a. displays the value of a variable or property
b. indicates what data will be modified next
c. displays the possible values for a property
d. gives advice on how to set property values


Answer: a. displays the value of a variable or property

A class is

A class is

a. an instance of an object
b. a grouping of related objects
c. code (blueprint or framework) that defines the characteristics of an object
d. code for a Windows form


Answer: c. code (blueprint or framework) that defines the characteristics of an object

What does the following code do? txtMonthlyInvestment.Focus();

What does the following code do?
txtMonthlyInvestment.Focus();

a. calls the Focus method of the txtMonthlyInvestment control
b. calls the () method of the txtMonthlyInvestment.Focus control
c. calls the txtMonthlyInvestment method of the Focus control
d. calls the Focus method of the current form instance


Answer: a. calls the Focus method of the txtMonthlyInvestment control