practical lab exam

Logic Gates

HALF ADDER

And gate

XNOR gate

AND gate

AND gate

OR gate

NOT gate

XOR gate

full adder

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HALF ADDER

HALF SUBTRACTOR

MULTIPLEXER AND LOGICAL UNIT

AND gate

AND gate

full subtractor

2:1 MULTIPLEXER

4-BIT BCD ADDER

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NOR gate

full adder using half adder

NAND

4 INPUT DECREMENTER CIRCUIT

full subtractor using half subtractor