Identify the logic gate?

F1 P.Y 28.5.20 Pallavi D 1

This question was previously asked in
Airforce Group X MBT 18-Jul-2021 Shift 3
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  1. OR gate
  2. AND gate
  3. NOT gate
  4. NAND gate

Answer (Detailed Solution Below)

Option 4 : NAND gate
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Detailed Solution

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CONCEPT:

  • Logic gate: The digital circuit that can be analyzed with the help of Boolean algebra is called a logic gate or logic circuit.
  • A logic gate has two or more inputs but only one output.

EXPLANATION:

  • NAND gate: It a combination of an AND and a NOT gate.
    F1 P.Y 28.5.20 Pallavi D 2
  • It is obtained by connecting the output fo an AND gate to the input of a NOT gate.
  • It is described by the Boolean expression: Y=AB
  • The above logic gate is the NAND gate.
  • The truth table of NAND gate:

A

B

A⋅B = Y’

Y

0

0

0

1

0

1

0

1

1

0

0

1

1

1

1

0

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