The binary equivalent of the octal number 456 is _______.

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RRB ALP Mechanic Radio & TV 23 Jan 2019 Official Paper (Shift 3)
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  1. 100111101
  2. 100101110
  3. 101011110
  4. 101001101

Answer (Detailed Solution Below)

Option 2 : 100101110
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Detailed Solution

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Octal to Binary Conversion:

  • Every octal number is represented by a 3-bit binary equivalent.
  • The table of binary representation for octal numbers (0 to 7) is given below:
Octal 3 bit binary
0 000
1 001
2 010
3 011
4 100
5 101
6 110
7 111

 

Explanation:

  • From the above table, the binary equivalent of 6 is 110.
  • The binary equivalent of 5 is 101.
  • The binary equivalent of 4 is 100.

Hence, the binary equivalent of the octal number 456 is 100101110

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