AND Gate and NAND gate in DLD Digital Logic Design

By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022

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
X Y Z
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
X Y Z
0 0 1
0 1 1
1 0 1
1 1 0
Figure: Representation of NAND Gate

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