QUESTIONS AND ANSWERS
1) CPU architecture is defined by the basic characteristics and major features of the CPU. "CPU
architecture" is sometimes called
a) architecture design
b) structural organization
c) instruction set architecture
d) CPU design and organization - ANS C
2) The use of fixed-length, fixed-format instruction words with the op code and address fields in
the same position for every instruction would allow instructions to be fetched and decoded
a) independently.
b) dependently and in parallel.
c) independently and in serial.
d) independently and in parallel. - ANS D
3) There are several factors that determine the number of instructions that a computer can
perform in a second. Which of the following is NOT a factor?
a) Word size
b) Clock speed
c) Instruction format - fixed or variable
d) Number of steps required by each instruction type - ANS A
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, 4) The __________ must be designed to assure that each step of the instruction cycle has time
to complete before the results are required by the next step.
a) ALU
b) clock cycle
c) Control Unit
d) instruction pointer - ANS B
5) The fetch unit portion of the CPU consists of an instruction fetch unit and an instruction
____________ unit.
a) decode
b) translate
c) decipher
d) conversion - ANS A
6) The ___________ unit contains the arithmetic/logic unit and the portion of the control unit
that identifies and controls the steps that comprise the execution part for each different
instruction.
a) fetch
b) decode
c) execution
d) conversion - ANS C
7) Overlapping instructions—so that more than one instruction is being worked on at a time—is
known as the
a) conveyor belt method.
b) pipelining method.
c) assembly line method.
d) accelerator method. - ANS B
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