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Logic gates are the basic building block of all digital systems. They are an idealized model of computation or physical electronic devices. All Digital systems or circuits like memory, flip-flops, multiplexers , demultiplexers, encoder , decoder , adder , subtractor , comparator, odd parity generator and detector , even parity generator and detector , display units and all type of computational units are formed using these logical gates that is explained in this course. A logic gate is defined as an electronic circuit having one or more than one input and only one output and its operation is based on logic that they follow. Based on this logical operation, logic gates are categorised as fundamental , derived and universal logic gates.

Fundamental logic gates includes : and , not , or

Universal logic gates includes : nand , nor

Derived logic gates includes : exor , exnor

Here in this course you will learn about what is digital system, what is input and output, what is truth table how to form truth table, what is waveform , formula used to generate combinations of input variables . You will also learn indepth about all logic gates that are used in digital systems , how they operate (on what logical basis) , their truth table , input-output expression and IC (integrated circuit) pin configuration.

In this course you will also learn the difference between and-nand logic gates , exor-exnor logic gates as well as or-nor logic gates.