Question

The instruction fetch operation is initiated by loading the contents of program counter into the______ and sends_____ request to memory:

Answer 1

EXPLAIN:-

The instruction fetch operation is initiated by loading the contents of program counter into the address register and sends read request to memory:

ans-address register and read

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Answer 2

Q) The instruction fetch operation is initiated by loading the contents of the program counter into the______ and sending_____ request to memory:

a.       Memory register and read

b.      Memory registers and write

c.       Data register and read

d.      Address register and read

Option (d) Address register and read is correct.

• Taking instructions from memory to perform is the instruction fetching.
• Program counter is the one who keeps the address of all instructions.
• For performing those instructions it needs to fetch and decode and then the CPU carries out a particular operation.
• The instructions which are fetched from the program counter are stored in the address registers.
• After placing it in the address register it sends a read request to the memory.