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Question 20245
JEE Physics · Easy

Semiconductors: OR Gate MCQ

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OR GateEasyQuestion 20245

Question

OR gate output is 0 (LOW) only when:
  1. A
    All inputs are 1
  2. B
    Any input is 1
  3. C
    All inputs are 0
    Correct
  4. D
    Any input is 0

Correct answer

All inputs are 0

Explanation

OR: Y = A+B. Truth table: 00→0, 01→1, 10→1, 11→1. Output LOW only when ALL inputs are LOW. Represents logical addition.

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