Which of the following computer design approaches is based on the fact that in earlier technologies, the instruction fetch was the longest part of the cycle?

The correct answer is C. Complex Instruction Set Computers (CISC). Complex Instruction Set Computer (CISC) uses instructions that perform many operations per instruction. It was based on the fact that in earlier technologies, the instruction fetch was the longest part of the cycle. Therefore, by packing more operations into an instruction, the n

Submitted by weili_xi· Apr 18, 2026Systems and Application Security

Question

Options

APipelining
BReduced Instruction Set Computers (RISC)
CComplex Instruction Set Computers (CISC)
DScalar processors

How the community answered

(59 responses)

A
2% (1)
B
3% (2)
C
95% (56)

Explanation

Complex Instruction Set Computer (CISC) uses instructions that perform many operations per instruction. It was based on the fact that in earlier technologies, the instruction fetch was the longest part of the cycle. Therefore, by packing more operations into an instruction, the number of fetches could be reduced. Pipelining involves overlapping the steps of different instructions to increase the performance in a computer. Reduced Instruction Set Computers (RISC) involve simpler instructions that require fewer clock cycles to execute. Scalar processors are processors that execute one instruction at a time.

Topics

#CISC#Computer Architecture#Processor Design#Instruction Set Architecture

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