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Q

Easy 1 Mark

Computer Studies Central Processing Unit (CPU)

What are the three stages of the Instruction Cycle in correct order?

A Execute then Decode then Fetch

B Fetch then Execute then Decode

C Decode then Fetch then Execute

D Fetch then Decode then Execute

Explanation

The correct order of the instruction cycle is: Fetch (retrieve instruction from memory) then Decode (analyse what to do) then Execute (carry out the operation).

Reference: Computer Studies Textbook , Page 5

Hint

The CPU cannot decode before fetching or execute before decoding.

Explanation

Hint

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