4 INPUT DECREMENTER CIRCUIT

practical lab exam

HALF ADDER

And gate

HALF SUBTRACTOR

AND gate

AND gate

AND gate

AND gate

Logic Gates

OR gate

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NOT gate

NAND

XNOR gate

XOR gate

full adder using half adder

full adder

full subtractor

4-BIT BCD ADDER

MULTIPLEXER AND LOGICAL UNIT

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2:1 MULTIPLEXER

HALF ADDER

full subtractor using half subtractor

NOR gate