Question

What is a program counter?

Answer 1

The program counter (PC), commonly called the instruction pointer (IP) in Intel x86 and Itanium microprocessors, and sometimes called the instruction address register(IAR),
[1] the instruction counter,
[2] or just part of the instruction sequencer,[3] is a processor register that indicates where a computer is in its program sequence.


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Answer 2

Answer:

The program counter, commonly called the instruction pointer in Intel x86 and Itanium microprocessors, and sometimes called the instruction address register, the instruction counter, or just part of the instruction sequencer, is a processor register that indicates where a computer is in its program sequence.