Chapter 4, Problem 4.18.4E

Program Plan Intro

Pipelined control:

• An instruction gets executed through 5 stages in the instruction pipeline.
• The 5 stages of executing the instruction are:
  • Instruction Fetch(IF):
    • The values that are stored in the program counter are read through the address of the instructions.
  • Instruction Decode(ID):
    • The instructions that are given get decoded to access the required values that are stored at the registers specified in the instruction.
  • Instruction Execute or address calculation(EX):
    • The required arithmetic and logic operation gets performed.
    • The address that utilizes the values are also gets calculated.
  • Memory access(MEM):
    • The operands that are stored in the memory are read and written based on the instruction that is given.
  • Write back(WB):
    • The values that are obtained and fetched are being written back to the required instruction.