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Computer Fundamentals - Engineering

Q1:

The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as

A Index register

B Memory address register

C Program counter

D Instruction register

E None of the above

ANS:C - Program counter

Instruction register : is the part of a CPU's control unit that holds the instruction (itself) that is currently being executed or decoded.

Program counter : contains the address of the instruction being executed at the current time.
As each instruction gets fetched, the program counter will increase its stored value by 1.

The answer is correct. Program counter.