NAND Logic Gate - Boolean Algebra in Digital Electronics - Proteus Simulation

Logic Gates- NAND Gate

This is a NOT-AND gate which is equal to an AND gate followed by a NOT gate. The outputs of all NAND gates are high if any of the inputs are low. The symbol is an AND gate with a small circle on the output. The small circle represents inversion.

Logic Table

Related Links:

Logic Gates- AND Gate
Logic Gates- OR Gate
Logic Gates- NOT Gate
Logic Gates- NOR Gate
Proteus Tutorials with Examples - Home Page - Index 

Proteus Simulation:-NAND Gate Using Switches and LED


  1. Hello my dear friends,
    To crack the Gate Exam you need the books which cover all the syllabus of gate as well as you need a very good gate mock test series for practice.

    1. Thanks Shruti for your useful info, Hope our readers will be benefited by your suggestion.