PHYSICS 10 SCIENCE · 2026–27 · Q1 · 12 MCQs · 12 marks · p. iii

Printed textbook model paper

The output of a NOR gate is:

NOR گیٹ کا آؤٹ پٹ ہے:

  1. (a)

    X = NOT(A − B)

    X = NOT(A − B)

  2. (b)

    X = A OR B

    X = A OR B

  3. (c)

    X = NOT A

    X = NOT A

  4. (d)

    X = NOT(A OR B)

    X = NOT(A OR B)

Solution & explanation

Correct choice(s): (d)

ABORNOR
0001
0110
1010
1110

(d) NOR is the negation of inclusive OR. It is 1 only when both inputs are 0.

Independent study material · English-medium textbook p. iii · Original book ↗