How do you convert decimal 23 from binary to decimal?

Answer 1

To convert a decimal number to binary, you simply need to divide by 2 and take note of the remainder.

Example:

23 / 2 = 11 Remainder 1

11 / 2 = 5 Remainder 1

5 / 2 = 2 Remainder 1

2 / 2 = 1 Remainder 0

2 / 1 = 0 Remainder 1

The answer is therefore 10111.

NB: If the question is to answer is 8-bit you must pad it out with zeroes as follows:

00010111

Answer 2

Go on divide with 2 and retain reminders

2)23(11(5(2(1

1 1 1 0

Write in revers

10111

To cross check

1*2^4+0*2^3+1*2^2+1*2^1+1*2^0=16+4+2+1=23