AND Gate

OR gate

XOR Gate

NOT gate

NAND Gate

NOR Gate

NAND Gate as NOT Gate

NAND Gate as a AND Gate

NAND Gate as X-NOR Gate

NAND Gate as XOR Gate

NAND Gate as OR Gate

NOR Gate as OR Gate

NAND Gate as NOR Gate

NOR Gate as NOT Gate

NOR Gate as AND Gate

NOR Gate as X-OR Gate

NOR Gate as X-NOR Gate

NOR Gate as NAND Gate

HALF ADDER

FULL ADDER

HALF SUBTRACTOR

FULL SUBTRACTOR

MULTIPLEXER 74150

DE-MULTIPLEXER 74154

R-S FLIP FLOP

J-K FLIP FLOP

D FLIP FLOP