This set of Computer Organization and Architecture Multiple Choice Questions & Answers (MCQs) focuses on “CISC and RISC Processors”.
1. The CISC stands for ___________
a) Computer Instruction Set Compliment
b) Complete Instruction Set Compliment
c) Computer Indexed Set Components
d) Complex Instruction set computer
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Explanation: CISC is a computer architecture where in the processor performs more complex operations in one step.
2. The computer architecture aimed at reducing the time of execution of instructions is ________
a) CISC
b) RISC
c) ISA
d) ANNA
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Explanation: The RISC stands for Reduced Instruction Set Computer.
3. The Sun micro systems processors usually follow _____ architecture.
a) CISC
b) ISA
c) ULTRA SPARC
d) RISC
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Explanation: The Risc machine aims at reducing the instruction set of the computer.
4. The RISC processor has a more complicated design than CISC.
a) True
b) False
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Explanation: The RISC processor design is more simpler than CISC and it consists of fewer transistors.
5. The iconic feature of the RISC machine among the following is _______
a) Reduced number of addressing modes
b) Increased memory size
c) Having a branch delay slot
d) All of the mentioned
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Explanation: A branch delay slot is an instruction space immediately following a jump or branch.
6. Both the CISC and RISC architectures have been developed to reduce the ______
a) Cost
b) Time delay
c) Semantic gap
d) All of the mentioned
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Explanation: The semantic gap is the gap between the high level language and the low level language.
7. Out of the following which is not a CISC machine.
a) IBM 370/168
b) VAX 11/780
c) Intel 80486
d) Motorola A567
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Explanation: None.
8. Pipe-lining is a unique feature of _______
a) RISC
b) CISC
c) ISA
d) IANA
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Explanation: The RISC machine architecture was the first to implement pipe-lining.
9. In CISC architecture most of the complex instructions are stored in _____
a) Register
b) Diodes
c) CMOS
d) Transistors
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Explanation: In CISC architecture more emphasis is given on the instruction set and the instructions take over a cycle to complete.
10. Which of the architecture is power efficient?
a) CISC
b) RISC
c) ISA
d) IANA
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Explanation: Hence the RISC architecture is followed in the design of mobile devices.
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