Question

what is AND gate ? Give its logical symbol?
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Answer 1

Answer:

The symbol is an OR gate with a small circle on the output. The small circle represents inversion. The 'Exclusive-OR' gate is a circuit which will give a high output if either, but not both, of its two inputs are high. An encircled plus sign ( ) is used to show the EOR operation.

Answer 2

Answer:

$\huge\underline{\bf\red{Answer}}$

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.