Suppose registers 'A' and 'B' contain 50H and 40H respectively. After instruction MOV A, B, what will be the contents of registers A and B?

Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)

40H, 40H

50H, 40H

50H, 50H

60H, 40H

Correct Answer : Option (A) : 40H, 40H

Explanation : Initially, register A contains 50H & B contains 40H. Instruction MOV A, B means move the content of B to A. So, after this operation, both registers A & B will contain 40H.

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