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  1. An AND gate

  2. A.

     implements logic addition

    B.

     is equivalent to a series switching circuit

    C.

     is an any or all gate

    D.

     is equivalent to a parallel switching circuit

    E.

     None of the above

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    Answer : Option B

    Explanation :

    The AND gate is a basic digital logic gate that implements logical conjunction - it behaves according to the truth table to the right. A HIGH output (1) results only if all the inputs to the AND gate are HIGH (1). If none or not all inputs to the AND gate are HIGH, a LOW output results.

    Source : wikipedia.org


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