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4 bit Comparator and 4 bit Subtractor using 4 bit Adder

This Document Consists of

  •    4 bit Subtractor Using 4 bit Adder
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  •    4 bit  Adder / Subtractor using 4 bit Adder with a Control line and extra gates.
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  •    4 bit Comparator using 4 bit Adder (IC 74/54 XX 283)


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