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Exam Questions Papers - Engineering

Q1:

Using 4-bit numbers (n = 4) if k = (0011)2 how is k expressed in 2's complement.

A (1011)2

B (1101)2

C (1100)2

D (0101)2

ANS:B - (1101)2

In 2's complement Simply find 2s complement ⇒ (0011)2 ⇒ 1100 + 1 ⇒ (1101)2 .