MODULE $1($Q$1$ Q$2,15$ pts$)$

Question $1)$ Consider the following architecture with to answer the following questions:

For each instruction type, write all letters that apply:

a$)$ Uses the register file

b$)$ Uses the sign extend unit

c$)$ May use the ALU unit

d$)$ May add additional changes to $PC+4$ value

R Type:

I Type:

J Type: