1:8 DEMUX using 1:4 DEMUX

8:1 Multiplexer

8:1 MUX using 4:1 and 2:1 MUX

1:8 DEMUX

4:1 MUX using 2:1 MUX

Full Subtractor using Basic gate

Full adder using basic gate

BCD to Excess-3 code

1:4 DEMUX

Binary to gray code

4:1 multiplexer

Full adder using universal NAND gate

2 BIT COMPARATOR

4 BIT PARITY CHECKER

4- BIT PARITY GENERATOR

Full Adder using DEMUX

Full adder using Universal Gate (NAND gate)

1:4 DEMUX using 1:2 DEMUX

Full subtractor using Universal Gate ( Nand gate )

BCD adder using 4-bit binary adder

8:1 MUX using 4:1 and 2:1 MUX