Using truth tables of AND gate and NOT gate show that NAND gate is an AND gate followed by a NOT gate. Hence write the truth table of NAND gate.
Why are NAND gates called ‘Universal Gates’?
Why are NAND gates called ‘Universal Gates’?
CBSE OUTSIDE DELHI - SET 1 GUHAWATI 2015
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| A | B | Output of AND gate (Input of NOT gate) |
Output of NOT gate |
| 0 | 0 | 0 | 1 |
| 0 | 1 | 0 | 1 |
| 1 | 0 | 0 | 1 |
| 1 | 1 | 1 | 0 |
| Truth table of NAND Gate | ||
| A | B | Y |
| 0 | 0 | 1 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 0 |
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