Cameroon GCE O-Level Computer Science Practice Questions - Cameroon General Certificate Of Education Ordinary Level Computer Science (Subject Code 0595) Exam

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During the standard Fetch-Decode-Execute machine cycle, what is the specific function of the Program Counter (PC) register?

It holds the mathematical result of the latest calculation performed by the ALU. It stores the decoded machine operation code while the control unit signals peripherals. It holds the memory address of the next instruction waiting to be fetched from RAM. It generates periodic high-frequency clock pulses to synchronize the internal data bus.

Correct Answer:

It holds the memory address of the next instruction waiting to be fetched from RAM.

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