Pakistan study notes for Matric, Intermediate, B.A, B.COM BSC, M.A, BCS. Free Pakistani Urdu educational school, colleges and University notes.

Convert octal number into binary number by indirect method

Q.15. Convert octal number into binary number by indirect method.

ANS. CONVERSION OF OCTAL TO BINARY (BY INDIRECT METHOD)

1. In this method the number in first converted into decimal number.

2. Resulting decimal number is converted to the required base number as per rule.

Examples

Convert 5038 into binary number.

Step1

Convert 5038 into decimal number

5038 = 5 x 8² + 0 x 8² + 3 x 8º

= 5 x 64 + 0 x 8 + 3 x 1

= 320 + 0 + 3

= 32310

Step 2

Convert 32310 into binary number

2 323
2 161 —- 1
2 80 —- 1
2 40 —- 0
2 20 —- 0
2 10 —- 0
2 5 —- 0
2 2 —- 1
2 1 —- 0

Ans. 1010000112

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