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Q. Find 9's complement for decimal number?
The 9's complement is achieved by subtracting every digit of number from 9 (the highest digit value). Let's assume that we want to signify a maximum of four decimal digit number range. 9's complement may be used for BCD numbers.
In the same way for computing 1's complement for a binary number we must subtract every binary digit of number from digit 1.
1) All squares containing a 1 must be grouped. 2) The largest possible groups must be formed. 3) Groups can overlap if this allows larger groups to be formed. 4) Groups mu
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