Unformatted text preview: to the first bit is 0) If S =1 then it will behave as a Subtractor. (B input will be complemented with the help of XOR gate and carry in to the first bit of the circuit is 1 so in it gives two's complement of the input B) Above logic you can implement for more than one bit as well....
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- Spring '09
- Computer Programming, Logic gate, XOR gate, Subtractor