Word:

bit stuffing

(protocol)bit stuffing - A protocol which guarantees the receiver of synchronous data can recover the sender's clock. When the data stream sent contains a large number of adjacent bits which cause no transition of the signal, the receiver cannot adjust its clock to maintain proper synchronised reception. To eliminate the possibility of such a pathological case, when a preset number of transitionless bits have been transmitted, a bit which does cause a transition is "stuffed" (transmitted) by the sender. The receiver follows the same protocol and removes the stuffed bit after the specified number of transitionless bits, but can use the stuffed bit to recover the sender's clock.

The advantage of bit stuffing is that only a bit (not a byte) is inserted in the data stream, and that only when the content of the data stream fails to provide a timing signal to the receiver. Thus very nearly 100% of the bits transported are useful data. In contrast, asynchronous transmission of data "throws away" a start bit and one or more stop bits for each data byte sent.
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bit bucket
bit by bit
bit decay
bit diddling
Bit Error Rate
bit field
bit mask
Bit my bit
bit part
bit pattern
bit plane
bit rate
bit rot
bit slice
Bit stock
bit string
-- bit stuffing --
bit twiddling
bit-by-bit
bit-paired keyboard
bit-robbing
Bitake
Bitangent
Bitartrate
bitblt
Bitch
bitchery
bitchiness
bitching
bitchy
Bite
bite off
bite out
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