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Twos Complement

Two's complement is a mathematical operation on binary numbers, and is an example of a radix complement. It is used in computing as a method of signed number representation.

Presentation

Three-bit signed integers

 

 

Decimal Value     

                                                  

Two's-complement
                 representation                    
3 011
2 010
1 001
0 000
−1 111
−2 110
−3 101
−4 100

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