Question

Explain the working of three input AND gate with logic symbol andtruthtable.

Answer 1

Answer:

The output state of a digital logic AND gate only returns “LOW” again when ANY of its inputs are at a logic level “0”. In other words for a logic AND gate, any LOW input will give a LOW output.

The logic or Boolean expression given for a digital logic AND gate is that for Logical Multiplication which is denoted by a single dot or full stop symbol, ( . ) giving us the Boolean expression of: A.B = Q.

Then we can define the operation of a digital 2-input logic AND gate as being:

Explanation:

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