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Unit 2 · Computer System Architecture Paper 2 CS · December 2023

In the most general case, the computer needs to process each instruction with the following sequence of steps:
(A) Calculate the effective address
(B) Execute the instruction
(C) Fetch the instruction from memory
(D) Fetch the operand from memory
(E) Decode the instruction
Choose the correct answer from the options given below:

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. (C), (E), (A), (D), (B)

Explanation

Fetch → decode → compute effective address → fetch operand → execute.

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