The address of instruction under the processor execution is contained within:
Correct answer: A. The program counter
- A. The program counter
- B. Current instruction register
- C. Memory address register
- D. Memory instruction register
Explanation
The program counter is a CPU register that stores the memory address of the next instruction to be fetched. As the CPU executes instructions, the program counter is incremented to point to the next instruction in sequence. This ensures the CPU fetches instructions in the correct order.In conclusion, the program counter (PC) is the register that holds the address of the instruction currently being executed by the CPU.
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Hardware includes the physical components of a computer, such as the CPU, motherboard, registers, memory, storage devices and peripheral equipment. Software covers system software, application software, utilities, drivers and firmware, with attention to how the operating system manages hardware and how software differs from the physical equipment it controls.
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