NEET Physics Semiconductor Electronics Questions Solved


A gate has the following truth table 
P 1 1 0 0
Q 1 0 1 0
R 1 0 0 0

The gate is
(a) NOR                      (b) OR
(c) NAND                    (d) AND

(d) The Boolean expression for ‘AND’ gate is R=P·Q

 1·1 = 1,  1·0 = 0,  0·1 = 0,  0·0 = 0

Difficulty Level:

  • 12%
  • 14%
  • 12%
  • 63%
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