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The two phases of executing an instruction are __________

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The two phases of executing an instruction are __________

(a) Instruction decoding and storage

(b) Instruction fetch and instruction execution

(c) Instruction execution and storage

(d) Instruction fetch and Instruction processing

I had been asked this question in semester exam.

My enquiry is from Instructions and Instruction Sequencing in division Machine Instructions and Programs of Computer Architecture

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Best answer
Correct option is (b) Instruction fetch and instruction execution

Explanation: First, the instructions are fetched and decoded and then they’re executed and stored.

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