railway RRB JE (CBT I + CBT II) Mock Test 2024 Digital Electronics Logic Gates and Boolean Algebra Logic Gates
The following truth-table belongs to which one of the four gates-
| A | B | X |
| 1 | 1 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 0 | 0 | 1 |
1
OR
2
NAND
3
XOR
4
NOR
The following truth-table belongs to which one of the four gates-
| A | B | X |
| 1 | 1 | 0 |
| 0 | 1 | 0 |
| 1 | 0 | 0 |
| 0 | 0 | 1 |