Digital Electronics - The 8051 Microcontroller - Discussion

Discussion Forum : The 8051 Microcontroller - General Questions (Q.No. 28)
28.
Which of the following statements will add the accumulator and register 3?
ADD @R3, @A
ADD @A, R3
ADD R3, A
ADD A, R3
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Ravi kumar said:   1 decade ago
Add always come with a resister. Accumulator resister will be the destination.

So ans is = Add A, R3.

Snehal Dattatray Dalavi said:   3 years ago
The first operator can be accumulator but the accumulator cannot be the second operator

A ADITHYA said:   1 decade ago
For arithmetic operations the first operand must be accumulator.

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