Question

With the help of micro-operations, explain how an instruction that uses direct addressing mode can be fetched, decoded and executed by a machine. You April follow the conventions as given in Unit 10 of Block 3.

27 Apr 2023
Answer :
Word Count : 383

Micro-operations play a crucial role in the execution of instructions in a computer's central processing unit (CPU). Let's walk through the steps of fetching, decoding, and executing an instruction that uses direct addressing mode, following the conventions from Unit 10 of Block 3.

  1. Fetch Phase:

    • The program counter (PC) holds the memory address of the next instruction to be fetched.
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