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In 2’S complement adder-subtractor, given the numbers X = 00011000 and Y = 11110000. They stand respectively for—
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- 24 and 240
- 18 and 15
- 6 and – 15
- 24 and – 16
Correct Option: D
Given X = 000 11000 = 24 in decimal
whereas Y = 11110000
(i.e., subtracting from the X)
It means Y in decimal will be
2’s complement with negative sign.
or Y = 000010000 = – 16
Hence alternative (D) is the correct choice.
