PowerPoint Slideshow about 'Fundamentals of Digital Electronics' - reynantevargas

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A gate is a circuit which can have any number of inputs but only one output.

These gates are the fundamental of flip flops which is used basically in computers. Logic gates process signals which represent true or false. Normally the positive supply voltage +Vs represents true and 0V represents false.

The output Q is true if input A AND input B are both true: Q = A AND BAn AND gate can have two or more inputs, its output is true if all inputs are true.

The output Q is true if input A OR input B is true (or both of them are true): Q = A OR BAn OR gate can have two or more inputs, its output is true if at least one input is true.

The output is true if input A AND input B are NOT both true: Q = NOT (A AND B)A NAND gate can have two or more inputs, its output is true if NOT all inputs are true.