ALL meanings of program counter
- noun Technical meaning of program counter (hardware) (PC) A register in the central processing unit that contains the addresss of the next instruction to be executed. After each instruction is fetched, the PC is automatically incremented to point to the following instruction. It is not normally manipulated like an ordinary register but instead, special instructions are provided to alter the flow of control by writing a new value to the PC, e.g. JUMP, CALL, RTS. 1
- noun program counter (computing) A register that stores the address of the current (or next) instruction to be carried out by the processor. 0