Question
Download Solution PDFIn 8051, the accumulator register contains 80H and B register contains 8FH. The content of the accumulator and status of the carry flag after the addition operation are respectively
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 1.
Key PointsA= 80H
B= 8FH
[A] + [B] = 80H + 8FH = 1 0FH
1000 0000
+ 1000 1111
------------------------------
1 0000 1111 (1 0FH)
-----------------------------
But accumulator is an 8-bit register
Accumulator = 0FH
carry flag= 1
Hence the correct answer is 0FH, 1.
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