Question

We cannot find 1’s complement for (28)10. State reason.

Answer 1

when we multiply 28 and 10 we get 280. 280 is not a perfect square soo we cannot find 1 s complement for (28)10

Answer 2

Answer:

1's complement of 10 is 11110101.

steps to find 1's complement of a binary number:

• Always keep in mind that 1's complement holds 8 bits means 1 byte.

• First you have to change the number like 10 from decimal to binary. Binary value of 10 is 00001010.

• After that you have to change each bit from Zero to one or one to Zero.

solve:

Binary value of 10 is     00001010

1's complement of 10 is   11110101