AND Gate and NAND gate in DLD Digital Logic Design

What is AND Gate?

The AND Gate performs logical multiplication function. AND Gate can have many  inputs and a single output.  AND Gate can be represented by the figures shown below;

and gate in logics
Figure: AND Logic Gate


Inputs Output
0 0 0
0 1 0
1 0 0
1 1 1

What is NAND Gate?

The NAND Gate performs a combination of an AND gate and a NOT gate.

A NAND Gate can have multiple inputs and a single output.

NAND logic gate
Figure: NAND Gate
Input Output
0 0 1
0 1 1
1 0 1
1 1 0

Figure: Representation of NAND Gate

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