Half Subtractor using XOR gate

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Half Subtractor using basic gate

Half Subtractor using NAND gate

Full Adder using NOR Gate

BCD TO EXCESS-3 CONVERTER

Gray to Binary code converter

Excess-3 to BCD Converter

Half Adder using NOR gate

Half Adder using XOR gate

Full Subtractor using NAND gate

Full Subtractor using NOR gate

Full Adder using XOR gate

Full Subtactor using XOR gate

Half Subtractor using NOR gate

Half Adder using Basic gate

Half Adder using NAND gate

Binary to Gray code converter

Full Adder using NAND gate

Full Subtractor using basic gates

Full Adder using basic gate