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Convert 45 into binary number.
1. 111001
2. 101101
3. 101010
4. 101111

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Correct Answer - Option 2 : 101101

Concept:

Convert decimal to binary

Conversion steps:

  • Divide the number by 2.
  • Get the integer quotient for the next iteration.
  • Get the remainder for the binary digit.
  • Repeat the steps until the quotient is equal to 0.

Calculation:

Here, we have to find the binary equivalent of 45

2

45

 

2

22

1

2

11

0

2

5

1

2

2

1

2

1

0

So, the binary equivalent of 45 is 101101

∴ (45)10 = (101101)2

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