For this section, let’s take (65)8 for
example.
Conversion of Octal to Decimal
Octal Number
|
6
|
5
|
Significance of each bit
|
81
|
80
|
Weighted value
|
6(8) = 40
|
5(1) = 5
|
Solved Multiplication
|
48
|
5
|
Therefore = (65)8 = 48 + 5 = 53
Conversion of Octal fraction to decimal fraction
Take (0.5)8 for an example.
Octal number
|
5
|
Significance of bit
|
8-1
|
Weighted value
|
5(8-1)
|
Solved multiplication
|
0.625
|
Therefore, (0.5)8 = 0.625, and (65.5)8
= 53.625
Conversion of Octal to Binary
1.
Convert each octal digit to its 3-bit equivalent.
2. Combine the numbers
(65)8
Octal number
|
6
|
5
|
Binary number
|
110
|
101
|
Combine them: 1101012
8-bit binary number = 001101012
Conversion of octal fraction to binary fraction
0.58
Octal number
|
5
|
Binary number
|
101
|
Therefore (0.5)8 = 0.101 and (65.5)8
= (110101.101)2
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