Aim:
Design & implement a 4: 1 multiplexer using logic gate.
Apparatus:
Power supply IC – 7404, 7410, 7432, resistance 220 Ω.
Observations:

Truth Table:
| Input | S1 | S2 | Output |
| A | 0 | 0 | A |
| B | 0 | 1 | B |
| C | 1 | 0 | C |
| D | 1 | 1 | D |
Result:
Hence truth table verified.
Design & implement a 4: 1 multiplexer using logic gate.
Power supply IC – 7404, 7410, 7432, resistance 220 Ω.

| Input | S1 | S2 | Output |
| A | 0 | 0 | A |
| B | 0 | 1 | B |
| C | 1 | 0 | C |
| D | 1 | 1 | D |
Hence truth table verified.