The _________ is a small cache memory associated with the instruction fetch stage of the pipeline.

The _________ is a small cache memory associated with the instruction fetch stage of the pipeline.

A. dynamic branch
B. loop table
C. branch history table
D. flag


Answer: C

A _________ is a small, very-high-speed memory maintained by the instruction fetch stage of the pipeline and containing the n most recently fetched instructions in sequence.

A _________ is a small, very-high-speed memory maintained by the instruction fetch stage of the pipeline and containing the n most recently fetched instructions in sequence.

A. loop buffer
B. delayed branch
C. multiple stream
D. branch prediction


Answer: A

_______ is a pipeline hazard.

_______ is a pipeline hazard.

A. Control
B. Resource
C. Data
D. All of the above


Answer: D

The ________ determines the opcode and the operand specifiers.

The ________ determines the opcode and the operand specifiers.

A. decode instruction
B. fetch operands
C. calculate operands
D. execute instruction


Answer: A

The _________ contains a word of data to be written to memory or the word most recently read.

The _________ contains a word of data to be written to memory or the word most recently read.

A. MAR
B. PC
C. MBR
D. IR


Answer: C

________ are bits set by the processor hardware as the result of operations.

________ are bits set by the processor hardware as the result of operations.

A. MIPS
B. Condition codes
C. Stacks
D. PSWs


Answer: B

____ is a design principle employed in designing the PDP-10 instruction set.

____ is a design principle employed in designing the PDP-10 instruction set.

a. Orthogonality
b. Completeness
c. Direct addressing
d. All of the above


Answer: All of the above

All instructions in the ARM architecture are __________ bits long and follow a regular format.

All instructions in the ARM architecture are __________ bits long and follow a regular format.

a. 8
b. 16
c. 32
d. 64


Answer: 32

The _________ was designed to provide a powerful and flexible instruction set within the constraints of a 16-bit minicomputer.

The _________ was designed to provide a powerful and flexible instruction set within the constraints of a 16-bit minicomputer.

a. PDP-1
b. PDP-8
c. PDP-11
d. PDP-10


Answer: PDP-11

_______ is a principle by which two variables are independent of each other.

_______ is a principle by which two variables are independent of each other.

a. Opcode
b. Orthogonality
c. Completeness
d. Autoindexing


Answer: Orthogonality

The only form of addressing for branch instructions is _________ addressing.

The only form of addressing for branch instructions is _________ addressing.

a. register
b. relative
c. base
d. immediate


Answer: immediate

_______ has the advantage of flexibility, but the disadvantage of complexity.

_______ has the advantage of flexibility, but the disadvantage of complexity.

a. Stack addressing
b. Displacement addressing
c. Direct addressing
d. Register addressing


Answer: Displacement addressing

_____ has the advantage of large address space, however it has the disadvantage of multiple memory references.

_____ has the advantage of large address space, however it has the disadvantage of multiple memory references.

a. Indirect addressing
b. Direct addressing
c. Immediate addressing
d. Stack addressing


Answer: Indirect addressing

The advantage of __________ is that no memory reference other than the instruction fetch is required to obtain the operand.

The advantage of __________ is that no memory reference other than the instruction fetch is required to obtain the operand.

a. direct addressing
b. immediate addressing
c. register addressing
d. stack addressing


Answer: immediate addressing

A branch instruction in which the branch is always taken is _________.

A branch instruction in which the branch is always taken is _________.

a. conditional branch
b. unconditional branch
c. jump
d. bi-endian


Answer: unconditional branch

The entire set of parameters, including return address, which is stored for a procedure invocation is referred to as a _________.

The entire set of parameters, including return address, which is stored for a procedure invocation is referred to as a _________.

a. branch
b. stack frame
c. pop
d. push


Answer: stack frame

Which of the following is a true statement?

Which of the following is a true statement?

a. a procedure can be called from more than one location
b. a procedure call can appear in a procedure
c. each procedure call is matched by a return in the called program
d. all of the above


Answer: all of the above

The most fundamental type of machine instruction is the _________ instruction.

The most fundamental type of machine instruction is the _________ instruction.

a. conversion
b. data transfer
c. arithmetic
d. logical


Answer: data transfer

_______ instructions provide computational capabilities for processing number data.

_______ instructions provide computational capabilities for processing number data.

a. Boolean
b. Logic
c. Memory
d. Arithmetic


Answer: Arithmetic

The _________ table provides the value of the next output when the inputs and the present output are known, which is exactly the information needed to design the counter or any sequential circuit.

The _________ table provides the value of the next output when the inputs and the present output are known, which is exactly the information needed to design the counter or any sequential circuit.

a. excitation
b. Kenough
c. J-K flip-flop
d. FPGA


Answer: excitation