Subtopic Notes
3.2 Logic Gates and Logic Circuits
3. Hardware
NOT Gate
| Name | Symbol | Boolean Symbol |
|---|---|---|
| NOT |  |  |
Truth Table
| A | Out |
|---|---|
| 0 | 1 |
| 1 | 0 |
AND Gate
| Name | Symbol | Boolean Symbol |
|---|---|---|
| AND |  |  |
Truth Table
| A | B | Out |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 1 |
OR Gate
| Name | Symbol | Boolean Symbol |
|---|---|---|
| OR |  |  |
Truth Table
| A | B | Out |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
NAND Gate
| Name | Symbol | Boolean Symbol |
|---|---|---|
| NAND |  |  |
Truth Table
| A | B | Out |
|---|---|---|
| 0 | 0 | 1 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 0 |
NOR Gate
| Name | Symbol | Boolean Symbol |
|---|---|---|
| NOR |  |  |
Truth Table
| A | B | Out |
|---|---|---|
| 0 | 0 | 1 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 1 | 1 | 0 |
XOR / EOR Gate
| Name | Symbol | Boolean Symbol |
|---|---|---|
| XOR / EOR |  |  |
Truth Table
| A | B | Out |
|---|---|---|
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 0 |