Central Processing Unit (CPU) Question:
Download Questions PDF

Explain Program counter?

Answer:

Program counter holds the address of either the first byte of the next instruction to be fetched for execution or the address of the next byte of a multi byte instruction, which has not been completely fetched. In both the cases it gets incremented automatically one by one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction

Download Central Processing Unit (CPU) Interview Questions And Answers PDF

Previous QuestionNext Question
What is the Pentium processor?Explain What happens when HLT instruction is executed in processor?