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Which among following is not a logic gate?

  1. AND
  2. OR
  3. XR
  4. NOT

Answer (Detailed Solution Below)

Option 3 : XR
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Detailed Solution

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  • XR is not an example of logic gates.
  • Logic gates are the electronic circuit performing logical operations having one or more than one input and only one output.
  • They works on the principle of Boolean function.
  • The various examples of logic gates are AND Gate, OR Gate, NAND Gate, NOR Gate, XOR Gate, etc.
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Q1.Let ⊕ denote XOR operation. Let 1 and 0 denote the binary constants and F is the Boolean expression over two variables P and Q F(P, Q) = ((1 ⊕ P) ⊕ (P ⊕ Q)) + ((P ⊕ Q) ⊕ (Q ⊕ 0)) Which of the following is equivalent expression to F? 
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Q1.Which of the following is NOT an alphabet used to denote a hexadecimal number?
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