The output of OR gate is 1 :

The output of OR gate is 1 :
  1. if both inputs are zero
  2. if either of both inputs are 1
  3. only if both inputs are 1
  4. if either input is zero

Solution

The truth table of OR gate is:
$\therefore 1$ means if either or both inputs are 1.

Asked in: NEET 2004

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