Correct option is D
The program counter (PC) is the CPU register that contains the address of the next instruction to be fetched from the main memory.
Explanation
· The PC is a digital counter that keeps track of the execution of a program.
· The PC increases its value by one each time an instruction is fetched.
· The PC is reset to zero when the computer restarts.
· The PC helps to execute tasks faster and track the current execution point.
