ITE 221 UPDATED REVIEW EXAMS QUESTIONS
AND ANSWERS SURE A+
✔✔A ____ instruction causes the processor to depart from sequential instruction order.
a. MOVE
b. COMPARE
c. BRANCH
d. HALT - ✔✔c
✔✔A(n) ____ instruction suspends the normal flow of instruction execution in the
current program.
a. COMPARE
b. ADD
c. JUMP
d. HALT - ✔✔d
✔✔____ instructions represent combinations of primitive processing operations.
a. Standard
b. Complex
c. High-order
,d. System - ✔✔b
✔✔An ____ is a template that specifies the number of operands and the position and
length of the op code and operands.
a. instruction format
b. operation format
c. instruction template
d. operand template - ✔✔a
✔✔If the instruction format is ____, the amount by which the instruction pointer must be
incremented after each fetch is a constant.
a. variable length
b. fixed length
c. standard length
d. dynamic - ✔✔b
✔✔With a ____, the amount by which the instruction pointer is incremented after a fetch
is the length of the most recently fetched instruction.
a. fixed length instruction
b. variable-length instruction
c. dynamic instruction
d. standard instruction - ✔✔b
✔✔The ____ is a digital circuit that generates timing pulses, or signals, and transmits
the pulses to other devices in the computer.
a. data clock
b. variance clock
c. memory clock
d. system clock - ✔✔d
✔✔The frequency at which the system clock generates timing pulses is the system's
____.
a. clock cycle
b. pulse rate
c. clock rate
d. clock pulse - ✔✔c
✔✔In most CPUs, the ____ is the time required to fetch and execute the simplest
instruction in the instruction set.
, a. cycle time
b. block time
c. hold time
d. rest time - ✔✔b
✔✔When manipulating single-precision floating-point numbers, CPU performance is
measured in ____.
a. watts
b. MHz
c. MFLOPS
d. MIPS - ✔✔c
✔✔Each clock cycle the CPU spends waiting for a slower device is called a ____.
a. suspend state
b. block state
c. hold state
d. wait state - ✔✔d
✔✔A ____ performs specific tasks that can be counted or measured
a. benchmark program
b. metric program
c. compiler
d. system program - ✔✔a
✔✔____ are used only by the currently executing program.
a. Reserved registers
b. Kernel registers
c. Instruction registers
d. General-purpose registers - ✔✔d
✔✔When the control unit fetches an instruction from memory, it stores it in the ____.
a. load register
b. instruction register
c. first general-purpose register
d. control register - ✔✔b
✔✔A ____ is a unit of data containing a fixed number of bytes or bits and can be loosely
defined as the amount of data a CPU processes at one time.
a. block
AND ANSWERS SURE A+
✔✔A ____ instruction causes the processor to depart from sequential instruction order.
a. MOVE
b. COMPARE
c. BRANCH
d. HALT - ✔✔c
✔✔A(n) ____ instruction suspends the normal flow of instruction execution in the
current program.
a. COMPARE
b. ADD
c. JUMP
d. HALT - ✔✔d
✔✔____ instructions represent combinations of primitive processing operations.
a. Standard
b. Complex
c. High-order
,d. System - ✔✔b
✔✔An ____ is a template that specifies the number of operands and the position and
length of the op code and operands.
a. instruction format
b. operation format
c. instruction template
d. operand template - ✔✔a
✔✔If the instruction format is ____, the amount by which the instruction pointer must be
incremented after each fetch is a constant.
a. variable length
b. fixed length
c. standard length
d. dynamic - ✔✔b
✔✔With a ____, the amount by which the instruction pointer is incremented after a fetch
is the length of the most recently fetched instruction.
a. fixed length instruction
b. variable-length instruction
c. dynamic instruction
d. standard instruction - ✔✔b
✔✔The ____ is a digital circuit that generates timing pulses, or signals, and transmits
the pulses to other devices in the computer.
a. data clock
b. variance clock
c. memory clock
d. system clock - ✔✔d
✔✔The frequency at which the system clock generates timing pulses is the system's
____.
a. clock cycle
b. pulse rate
c. clock rate
d. clock pulse - ✔✔c
✔✔In most CPUs, the ____ is the time required to fetch and execute the simplest
instruction in the instruction set.
, a. cycle time
b. block time
c. hold time
d. rest time - ✔✔b
✔✔When manipulating single-precision floating-point numbers, CPU performance is
measured in ____.
a. watts
b. MHz
c. MFLOPS
d. MIPS - ✔✔c
✔✔Each clock cycle the CPU spends waiting for a slower device is called a ____.
a. suspend state
b. block state
c. hold state
d. wait state - ✔✔d
✔✔A ____ performs specific tasks that can be counted or measured
a. benchmark program
b. metric program
c. compiler
d. system program - ✔✔a
✔✔____ are used only by the currently executing program.
a. Reserved registers
b. Kernel registers
c. Instruction registers
d. General-purpose registers - ✔✔d
✔✔When the control unit fetches an instruction from memory, it stores it in the ____.
a. load register
b. instruction register
c. first general-purpose register
d. control register - ✔✔b
✔✔A ____ is a unit of data containing a fixed number of bytes or bits and can be loosely
defined as the amount of data a CPU processes at one time.
a. block
