Multiple choice

Which of the following can be used to conveniently test odd parity of the word?

  1. XOR gate

  2. NOR gate

  3. OR gate

  4. None of these
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A Correct answer
Explanation

XOR gate outputs 1 when an odd number of inputs are 1, and 0 when an even number of inputs are 1. This property makes it ideal for testing odd parity - if the XOR result is 1, the word has odd parity; if 0, it has even parity.

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