The iPad accelerometer and gyroscope

The iPad accelerometer and gyroscope

A. Significantly shorten battery life
B. Were originally in the iPad design, but are now of little use
C. sense six degree-of-freedom motion
D. Provide three-axis information to the CPU

Answer: C

Inside the CPU, what activity does the datapath perform?

Inside the CPU, what activity does the datapath perform?

A. Arithmetic operations
B. moves data to and from the central processor
C. Translates assembly instructions into binary code
D. tells the memory what to do

Answer: A

The advantage of capacitive sensing is that

The advantage of capacitive sensing is that

A. It can more precisely locate the point of touch
B. It allows multiple touches to be detected at the same time
C. it allows you to point with your toes as well as your fingers
D. It requires less power than other types of touch screens

Answer: B

Two important laws in computer performance are

Two important laws in computer performance are

A. Amdahl's and Planck's
B. Moore's and Amdahl's
C. Ampere's and Ohm's
D. Moore's and Ampere's

Answer: B

Most liquid crystal displays (LCDs) now rely on ______ technology.

Most liquid crystal displays (LCDs) now rely on ______ technology.

A. Amplitude Modulation
B. Active Matrix
C. Faster Raster
D. Advanced Module

Answer: B

Which is not one of the five classic components of a computer

Which is not one of the five classic components of a computer

A. Input
B. Control
C. Display
D. Output
E. Pointing device
F. Datapath
G. Memory

Answer: C, E

What is the primary difference between the active matrix display and the liquid crystal display?

What is the primary difference between the active matrix display and the liquid crystal display?

A. the active matrix display can control the intensity of each pixel.
B. The active matrix display consumes less power.
C. LCD pixels are more expensive than active matrix pixels.
D. The LCD makes its own light.

Answer: A

What is not an advantage of high-level code

What is not an advantage of high-level code 

A. It produces the most compact run-time code
B. It improves programmer productivity
C. It is closer to natural language
D. It allows machine independence

Answer: A

What is the job of an assembler?

What is the job of an assembler? 

A. It translates high-level source code into assembly language
B. It produces binary machine instructions from the assembly code text
C. It translates source code into byte code
D. It translates high-level source code into machine instructions
E. It executes machine instructions
F. It optimizes loop structures
G. It translates assembly instructions into machine instructions

Answer: B, G

What is the job of an assembler

What is the job of an assembler

A. Run assembly code
B. Translate assembly code into machine language
C. Link together code modules into a single executable module
D. Translate source code in to assembly code

Answer: B

What do we call the binary representation of machine instructions?

What do we call the binary representation of machine instructions?

A. Assembly language
B. Machine language
C. Bytes
D. source code

Answer: B

Which is not in the hierarchical layers of a system?

Which is not in the hierarchical layers of a system?

A. I/O software
B. Hardware
C. Applications software
D. Systems Software

Answer: A

Which is not a "great idea" in computer architecture?

Which is not a "great idea" in computer architecture?

A. Flash cache.
B. Memory hierarchy.
C. Pipelining.
D. Branch Prediction.

Answer: A

The principle of prediction is based on the idea that

The principle of prediction is based on the idea that 

A. It is better to ask for forgiveness than ask for permission.
B. When the going gets tough, the tough get going.
C. If you don't succeed at first, try, try again.
D. You should eat dessert first.

Answer: A

The notion that integrated circuit resources double every 18-24 months is known as

The notion that integrated circuit resources double every 18-24 months is known as

A. Ohm's Law
B. Amdahl's Law
C. Moore's Law
D. Boyle's Law

Answer: C

Which is not one of the eight great ideas in Computer Architecture?

Which is not one of the eight great ideas in Computer Architecture?

A. Reliability via redundancy.
B. Performance via pipelining.
C. Fail early
D. Make the common case fast.

Answer: C

Moore's Law

Moore's Law

A. Gives expectations of how chip capacity will change about every two years
B. Relates the progress on the number of transistors per chip over time
C. Relates power consumed by a device to capacitive load, voltage and switching frequency
D. Shows that latency is more expensive to improve than bandwidth or throughput
E. Underscores the importance of parallelism
F. states that performance improvements are limited by the kind of problem you are solving
G. Says that you should optimize tasks that are frequently performed

Answer: A, B

Which has the least influence on the performance of a computer running a program?

Which has the least influence on the performance of a computer running a program?

A. The power supply wattage
B. The size of the screen
C. The processor
D. The operating system
E. The algorithm chosen
F. The programming language or compiler
G. The I/O system and devices

Answer: A

Which kind of parallelism is not discussed in computer organization and architecture?

Which kind of parallelism is not discussed in computer organization and architecture?

A. Circuit-level parallelism
B. Instruction-level parallelism
C. Data-level parallelism
D. Thread-level parallelism

Answer: A

Which area of performance improvement is out of the scope of this course.

Which area of performance improvement is out of the scope of this course.

A. Programming languages
B. Algorithms
C. The I/O system
D. Memory systems

Answer: B

Understanding the hardware layer.

Understanding the hardware layer.

A. builds character
B. makes you a better programmer
C. provides for a steady income
D. is the key to an early retirement

Answer: B

The concept of cloud computing is most closely associated with.

The concept of cloud computing is most closely associated with.

A. Personal Mobile Devices
B. Transaction Processing
C. Warehouse Scale Computing
D. Vague computing

Answer: C

The sales of smart phones and tablets have leveled off while the sales of PCs and conventional cell phones have continued their exponential rise.

The sales of smart phones and tablets have leveled off while the sales of PCs and conventional cell phones have continued their exponential rise.

A. T
B. F

Answer: B

The role of the personal computer is now being replaced by the.

The role of the personal computer is now being replaced by the.

A. wearable computer
B. super computer
C. personal mobile device
D. cloud

Answer: C

An embedded computer is distinguished from other types of computer by the fact that it.

An embedded computer is distinguished from other types of computer by the fact that it.

A. Primarily runs a single, predetermined application
B. Must survive harsh operating conditions
C. is built into an incredibly small space
D. has strict power requirements

Answer: A

A terabyte is 2^___ bytes.

A terabyte is 2^___ bytes.

A. 20
B. 10
C. 40
D. 30

Answer: C

Each time the cost of computing goes down.

Each time the cost of computing goes down.

A. It is more difficult for hackers to create effective exploits.
B. The cost of big IT project failure goes up.
C. The risks associated with processor failure increase.
D. New market opportunities put processors into new areas of business and life.

Answer: D

Alongside the computer revolution is the ______ revolution.

Alongside the computer revolution is the ______ revolution.

A. Electrical
B. Information
C. Travel
D. Leisure

Answer: B

In the last 30 years, technology revolutions begun by a new computer design were stopped short by .

In the last 30 years, technology revolutions begun by a new computer design were stopped short by .

A. Presidential decree
B. Laws
C. Even faster computers
D. Foreign competition

Answer: C

The information technology industry accounts for about ____ percent of the United States' gross national product.

The information technology industry accounts for about ____ percent of the United States' gross national product.

A. 30
B. 10
C. 50
D. 60

Answer: B