Q. Write the 2’s compliment for 100110?

A
100111
B
011001
C
111001
D
011010
Solution:

The two’s complement of a binary number is obtained by:

1. Replacing all the 1s with 0s and the 0s with 1s. This is known as its one’s complement.
2. Adding 1 to this number by the rules of binary addition.
The 1’s complement of 100110 is 011001.
2’s complement is 011010.

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