Multiple choice technology

which of the following gates does not follow associative law .

  1. AND , OR

  2. NAND, NOR

  3. NAND, EX-OR

  4. EX-OR, EX-NOR

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

NAND and NOR gates do not satisfy the associative law: (A NAND B) NAND C ≠ A NAND (B NAND C). In contrast, AND and OR gates are associative. This property makes NAND and NOR fundamentally different in circuit design.