Basic Logic Gates | AND | OR | NOT
Logic gates are the basic building blocks of a digital system. The logic gates perform the basic Boolean operations: AND, OR, NOT. A truth table is associated with each logic gate that describes the function of the gate.
Overview of Boolean Algebra : • Boolean Algebra | (Simple introduction)
This video covers a simple description about the basic logic gates - The AND gate, The OR Gate, The NOT Gate.
The AND gate returns true only when all input values are true. Digital True is denoted by a logical '1' and digital False is denoted by a logical '0'.
The OR gate returns true when any one of the inputs or when all inputs are true.
The NOT gate is a single-input gate. The output value of NOT gate is just the opposite of the input value.
This video also covers an important pinch of information that can be expected in competitive exams - the analytical representation of logic gates.
The analytical representation of :
AND Gate : f(a,b) = a x b
OR Gate: f(a,b) = a + b - (axb)
NOT Gate: f(a) = 1-a
Kindly check the whole video for simple explanation about these topics on basic logic gates.
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