The register that can be used as a scratch pad is
A. Accumulator
B. B register
C. Data register
D. Accumulator and B register
Answer:A
The register that can be used as a scratch pad is
A. Accumulator B. B register C. Data register D. Accumulator and B register
Explanation: B register is used to store one of the operands for multiply and divide instructions. In other instructions, it may just be used as a scratch pad.