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13. The binary equivalent of 56 decimal number is

  1. 111000

  2. 111100

  3. 111110

  4. 110010

Correct Answer :

111000

Solution

To convert the decimal number 56 into binary:

  1. Divide the number by 2 and record the remainders:

    • 56 ÷ 2 = 28 remainder 0
    • 28 ÷ 2 = 14 remainder 0
    • 14 ÷ 2 = 7 remainder 0
    • 7 ÷ 2 = 3 remainder 1
    • 3 ÷ 2 = 1 remainder 1
    • 1 ÷ 2 = 0 remainder 1

  2. Write the remainders from bottom to top: 111000.

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