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Unit 2 · Computer System Architecture Paper 2 CS · December 2022 (Shift 1)

The sequence of events that happen during a typical fetch operation is/are:

A. Memory

B. MBR

C. MAR

D. PC

E. IR

Choose the correct order from the options given below:

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

Show answer & explanation

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

Explanation

PC → MAR, memory is read, the word goes into the MBR, then to the IR: D, C, A, B, E.

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