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Standard XII
Physics
Question

Statement -1: NAND and NOR gates are called digital building blocks.
Statement-2: The repeated use of NAND (or NOR) gates can produce all the basis or complicated gates.
  1. Statement 1-is true, Statement -2 is true and Statement -2 is correct explanation of Statement-1
  2. Statement 1-is true, Statement -2 is true and statement -2 is not correct explanation of statement-1
  3. Statement 1-is true, Statement -2 is false
  4. Statement -1 is false, Statement -2 is true

A
Statement 1-is true, Statement -2 is false
B
Statement -1 is false, Statement -2 is true
C
Statement 1-is true, Statement -2 is true and statement -2 is not correct explanation of statement-1
D
Statement 1-is true, Statement -2 is true and Statement -2 is correct explanation of Statement-1
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Solution
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NAND or NOR gates are called universal gates or digital building blocks. Also, the repeated use of NAND (or NOR) gates can produce all the basis or any complicated gates can be formed using NAND (or NOR) gates. Hence, statement 1-is true statement -2 is true statement -2 is correct explanation of statement-1.

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