Question

Describe step-by-step execution of a complete instruction in computer architecture

Answer 1

           Step-by-step execution of a program

   1: Fetch instruction. Execution cycle starts with fetching instruction from main  

    memory.

   2: Decode instruction.

   3: Perform ALU operation's.

   4: Access memory.

   5: Update Register File.

   6: Update the PC.

   *PC-Program Counter