This is a Question of 260q1c.

c) AC program was written to run on two computers A and B. This C program requires one million instructions on computer A and two million instructions on computer B. Which computer is likely based on the CISC architecture? Which computer is likely based on the RISC architecture? Explain your answer. [6] d) What is the main difference between direct addressing and immediate addressing? Explain why immediate addressing cannot be practica applied to the STORE instruction in LMC. [4]