Question

2's complement of 10101 is

Answer 1

Explanation:

According to above algorithm, take 2's complement of subtrahend 00101, which will be 11011, then add both of these. So, 10101 + 11011 =1 10000. Since, there is carry bit 1, so dropped this carry bit 1, and take this result will be 10000 will be positive number.