| 11. | Words were 24 bits plus a parity bit.
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| 12. | This table describes which parity bits cover which transmitted bits in the encoded word.
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| 13. | There are also some DSC schemes that use parity bits rather than syndrome bits.
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| 14. | To remedy this shortcoming, Hamming codes can be extended by an extra parity bit.
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| 15. | In the 26-bit Wiegand format, bit 1 is an even parity bit.
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| 16. | Bit 26 is an odd parity bit.
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| 17. | :It uses a parity bit system.
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| 18. | In this context, an extended Hamming code having one extra parity bit is often used.
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| 19. | Otherwise, the sum of the positions of the erroneous parity bits identifies the erroneous bit.
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| 20. | If only one parity bit indicates an error, the parity bit itself is in error.
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