Which register of the CPU holds the address of the instructi

Which register of the CPU holds the address of the instruction to be fetched? Which section of the CPU is responsible for performing addition? List the three bus types present in every CPU.

Solution

51) program counter holds the adress of the instruction to be fetched.

52)ALU(arithmetic logic unit) that performs addition in cpu

53) 1.memory buses 2.adress buses 3.input output buses