CONTROL BUS
\kəntɹˈə͡ʊl bˈʌs], \kəntɹˈəʊl bˈʌs], \k_ə_n_t_ɹ_ˈəʊ_l b_ˈʌ_s]\
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In a digital computer, the signal paths thatcarry commands from the instruction decode logic to variousdifferent functional units such as the ALU, memory addressregister, memory data register and other buffers.Named by analogy with the address bus and data bus, eachof which carries a set of related signals, the signals carriedby the control bus are more independant.Some might include other signals such as timing (clock) andstatus under the term, further reducing its similarity toother busses.
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.-.