GCSE Computer Science- Topic 1: Copy memory address from PC to the MAR and copy the instruction stored in the MAR address to the MDR. Then increment the PC to the next address for the next cycle. The instruction in the MDR is then decoded by the CU and is executed.

Question

Copy memory address from PC to the MAR and copy the instruction stored in the MAR address to the MDR. Then increment the PC to the next address for the next cycle. The instruction in the MDR is then decoded by the CU and is executed.

Minahil Arshad · Accepted Answer

Fetch-Decode-Execute cycle

GCSE Computer Science- Topic 1

Copy memory address from PC to the MAR and copy the instruction stored in the MAR address to the MDR. Then increment the PC to the next address for the next cycle. The instruction in the MDR is then decoded by the CU and is executed.

Fetch-Decode-Execute cycle

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