special registers

Is Program Counter A Special Purpose Registers?

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Is Program Counter A Special Purpose Registers? a) Program counter (PC) – Program is a sequence of instructions. As mentioned earlier, microprocessor fetches these instructions from the memory and executes them The program counter is a special purpose register which, at a given time,stores the address of the next instruction to be fetched. Which of

What Is The Purpose Of Using Instruction Register?

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What Is The Purpose Of Using Instruction Register? This register holds the current instruction so that it can be decoded and input to the control and timing unit. Specifically, the instruction register holds the opcode which defines the type of instruction. What is instruction register with example? IR (Instruction Register) is a special purpose register,