Software bus

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A software bus is a software architecture model where a shared communication channel facilitates connections and communication between software modules. This makes software buses conceptually similar to the bus term used in computer hardware for interconnecting pathways.[1]

In the early microcomputer era of the 1970s, Digital Research's operating system CP/M was often described as a software bus.[2][3] Lifeboat Associates, an early distributor of CP/M and later of MS-DOS software, had a whole product line named Software Bus.[4]

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  1. ^ "Definition of software bus". PCMAG. Retrieved 2021-06-29.
  2. ^ Clarke, A.; Eaton, J. M.; David, D. Powys Lybbe (October 26, 1983). CP/M - the Software Bus: A Programmer's Companion. Sigma Press. ISBN 978-0905104188.
  3. ^ Johnson, Herbert R. (July 30, 2014). "CP/M and Digital Research Inc. (DRI) History".
  4. ^ Duncan, Ray (1988). The MS-DOS Encyclopedia. Microsoft Press. p. 27. Further complications arose when Lifeboat Associates agreed to help promote MS-DOS but decided to call the operating system Software Bus 86. MS-DOS thus became on of a line of trademarked Software Bus products, another of which was a product called SB-80, Lifeboat's version of CP/M-80.

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