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Parity/Non-parity Check
Early transmission codes had a serious problem in that a bit could be lost
or gained in transmission because of an electrical or mechanical failure/
If the loss went undetected, the character received on the other end of the
lime was incorrect.
To Prevent this from happening, a parity check system was developed.
Each character is represented by a byte consisting of a combination of
intelligence bits (seven bits in ASCII and eight bits in EBCDIC) and an
additional bit called a check or parity bit.
Even parity codes place a check bit with each byte that contains an
uneven number of 1 bits. (Remember that a bit is eith ....
Word count: 236 - Page count: 1
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