Multiple choice

Which of the following is false regarding parity bit?

  1. Parity bits are used as the simplest form of error detecting code.

  2. There are two variants of parity bits.

  3. Odd parity is a special case of a cyclic redundancy check (CRC).

  4. Parity is used in many hardware applications.

  5. Parity data is used by some RAID levels to achieve redundancy.
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C Correct answer
Explanation

Even parity is a special case of a cyclic redundancy check (CRC), where the 1-bit CRC is generated by the polynomial x+1.

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