start bit
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start bit
[′stärt ‚bit] (computer science)
The first bit transmitted in asynchronous data transmission to unequivocally indicate the start of the word.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
start bit
(protocol)A bit which signals the start of transmission of
a character on a serial line. For an RS-423 signal, the
line is normally at logical zero which there is no data and
the start bit is a logical one. The zero-one transition tells
the receiver when to start sampling the signal to extract the
data bits.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
start bit
In asynchronous communications, the bit transmitted before each character.Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.