START BIT
\stˈɑːt bˈɪt], \stˈɑːt bˈɪt], \s_t_ˈɑː_t b_ˈɪ_t]\
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A bit which signals the start of transmission ofa character on a serial line. For an RS-423 signal, theline is normally at logical zero which there is no data andthe start bit is a logical one. The zero-one transition tellsthe receiver when to start sampling the signal to extract thedata bits.[Is this upside-down?]
By Denis Howe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.