List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the R-Type instruction class:
A. Instruction Memory
B. Register file
C. ALU
D. Data Memory
List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the LDUR instruction class:
A. Instruction Memory
B. Register file
C. ALU
D. Data Memory