Which of the following gates can be used for parity generation?

This question was previously asked in
URSC ISRO Technical Assistant Electronics 24 March 2019 Official Paper
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  1. AND gate
  2. NAND gate
  3. XOR gate
  4. OR gate

Answer (Detailed Solution Below)

Option 3 : XOR gate
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Detailed Solution

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  • Ex-OR and Ex-NOR gates are useful in circuits for parity generation and checking.
  • In the transmission of data from one place to another, the transmitter can attach a parity bit to a set of data bits before transmitting the data bits to a receiver.
  • The logic circuitry for parity generation is as shown:

 

F1 S.B Deepak 18.02.20 D2

26 June 1

The receiver uses a parity checker to detect any single-bit errors that may have occurred during the transmission. The circuit for parity checker using Ex-OR gates is as shown:

F1 S.B Deepak 18.02.20 D1

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