CSIT_Labs
Lab 4
OBJECTIVE
TO VERIFY THE TRUTH TABLE OF FULL ADDER AND SUBTRACTOR
APPARATUS REQUIRED
- Connecting wires
- Breadboard kit
- IC 7408(AND Gate)
- IC 7486(XOR Gate)
- IC 7432(OR Gate)
CIRCUIT DIAGRAM OF FULL ADDER
TRUTH TABLE OF FULL ADDER
| Inputs | Outputs | |||
|---|---|---|---|---|
| A | B | Cin | Sum | Carry |
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 1 | 0 |
| 0 | 1 | 0 | 1 | 0 |
| 0 | 1 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 | 0 |
| 1 | 0 | 1 | 0 | 1 |
| 1 | 1 | 0 | 0 | 1 |
| 1 | 1 | 1 | 1 | 1 |
CIRCUIT DIAGRAM OF FULL SUBTRACTOR
TRUTH TABLE OF FULL SUBTRACTOR
| Inputs | Outputs | |||
|---|---|---|---|---|
| A | B | Bin | Difference | Borrow |
| 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 1 | 1 |
| 0 | 1 | 0 | 1 | 1 |
| 0 | 1 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 | 0 |
| 1 | 0 | 1 | 0 | 0 |
| 1 | 1 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 | 1 |
RESULT
The truth table of Full Adder and Full Subtractor are verified successfully.