A. 1st
B. 2nd
C. 3rd
D. 4th
B. 2nd
A. 1st
B. 2nd
C. 3rd
D. 4th
A. 1st
B. 2nd
C. 3rd
D. 4th
A. AX
B. BX
C. CX
D. DX
A. AX
B. BX
C. CX
D. IR
A. Instruction register IR
B. Memory Data Register MDR
C. Memory Address register MAR
D. Accumulator register AC
A. Memory Buffer register MBR
B. Memory Data register MDR
C. Memory Address register MAR
D. Accumulator register AC
A. Instruction Register IR
B. Program Counter PR
C. Memory Buffer Register MBR
D. Memory Data Register MDR