Discussion
The register which acts as an operand and destination of result for arithmetic operations is ........... and the status of result is stored, is ..........
Answer: D
The answer is A, PSW.
In the 8085 and similar processors, the accumulator (register A) holds one operand of every arithmetic or logic operation and receives the result. The flags that describe the result (sign, zero, auxiliary carry, parity and carry) are held in the flag register, which together with the accumulator forms the Program Status Word (PSW).
B, C and D are general-purpose registers. They can supply the second operand but are not the default destination, and none of them stores the status of the result.
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