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Medium 2 Marks

Computer Studies Central Processing Unit (CPU)

What happens during the Fetch stage of the Instruction Cycle?

A The CPU performs the required arithmetic or logical operation

B The control unit analyses the instruction to determine what to do

C The CPU retrieves the next instruction from main memory using the Program Counter

D The result is stored in a register or memory location

Explanation

In the Fetch stage the CPU retrieves the next instruction from main memory. The Program Counter (PC) provides the address and the instruction is placed in the Instruction Register (IR).

Reference: Computer Studies Textbook , Page 5

Hint

Fetch means retrieve — which register points to where the instruction is?

Explanation

Hint

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