Digital Systems Inc., Seattle, USA, between 1966[1] and 1979[1] an accounting service and technology development company founded by John Q. Torode.[2][3][1][4][5] The company was reorganized into the microcomputer design and development company Digital Microsystems, Inc. (DMS),[5] Oakland, USA, founded in 1979.[6] In 1984, it was sold to the new UK operation Digital Microsystems Ltd. (DML) (owned by Extel Group Plc)[7] and finally ended its US operations in 1986.[1][5] Without Torode, Digital Microsystems Ltd.'s product HiNet (Hierarchical Integration Network) was sold to Apricot Computers Plc in 1987.[8] In 1986, Torode founded a new company, IC Designs, Inc., based partly on Theodore "Ted" H. Kehl's VLSI technology at the University of Washington (UW),[1][9] which was bought by Cypress Semiconductor Corp. in 1993.[9]
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Introduction to Digital Systems
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Number Systems Introduction - Decimal, Binary, Octal & Hexadecimal
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How exactly does binary code work? - José Américo N L F de Freitas
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References
- ^ a b c d e "UW CSE Alumnus John Torode founds IC Designs". University of Washington. 1996. Archived from the original on 2020-02-07. Retrieved 2020-02-24.
- ^ Kildall, Gary Arlen (January 1980). "The History of CP/M, The Evolution of an Industry: One Person's Viewpoint" (Vol. 5, No. 1, Number 41 ed.). Dr. Dobb's Journal of Computer Calisthenics & Orthodontia. pp. 6–7. Retrieved 2013-06-03.
[…] The first commercial licensing of CP/M took place in 1975 with contracts between Digital Systems and Omron of America for use in their intelligent terminal, and with Lawrence Livermore Laboratories where CP/M was used to monitor programs in the Octopus network. Little attention was paid to CP/M for about a year. In my spare time, I worked to improve overall facilities […] By this time, CP/M had been adapted for four different controllers. […]
- ^ Kildall, Gary Arlen (2016-08-02) [1993]. Kildall, Scott; Kildall, Kristin (eds.). Computer Connections: People, Places, and Events in the Evolution of the Personal Computer Industry (Manuscript, part 1). Kildall Family. Archived (PDF) from the original on 2016-11-17. Retrieved 2016-11-17.
- ^ Shustek, Len (2016-08-02). "In His Own Words: Gary Kildall". Remarkable People. Computer History Museum.
- ^ a b c Johnson, Herbert "Herb" R., ed. (2018-06-07). "CP/M and Digital Research Inc. (DRI) History - References". New Jersey, USA. Archived from the original on 2020-02-23. Retrieved 2020-02-23.
- ^ "The Executive Microcomputer Conference & Exposition (EMCE)". InfoWorld - The Newsweekly for Microcomputer Users. Vol. 5, no. 25. Popular Computing, Inc. 1983-06-20. pp. 22–23. ISSN 0199-6649. Archived from the original on 2020-02-23. Retrieved 2020-02-23.
[…] Digital Microsystems, Inc. […] Embarcadero, Oakland, CA […] Digital Microsystems (DMS), originally Digital Systems, was founded in 1975 by Dr. John Torode who designed the first floppy disk subsystem for use on a micro. In 1974, DMS collaborated with Gary Kildall (Digital Research's founder) to design and implement the first microcomputer disk operating system, CP/M. […]
- ^ Kline, Steve (2011-06-20). Johnson, Herbert "Herb" R. (ed.). "Steve Kline of Digital Micro Systems". New Jersey, USA. Archived from the original on 2020-02-25. Retrieved 2020-02-24.
- ^ Johnson, Herbert "Herb" R. (2011-06-13) [November 2010]. "Digital Systems, Digital Microsystems". New Jersey, USA. Archived from the original on 2020-02-07. Retrieved 2020-02-24.
- ^ a b "Remembering Ted Kehl". Paul G. Allen School of Computer Science & Engineering. Allen School News. University of Washington. 2019-02-27. Archived from the original on 2020-02-25. Retrieved 2020-02-24.
Further reading
- Johnson, Herbert "Herb" R., ed. (2019-08-25). "Dr. Torode's Digital Systems floppy controller products". New Jersey, USA. Archived from the original on 2020-02-25. Retrieved 2020-02-25.
- Johnson, Herbert "Herb" R., ed. (2019-08-25). "Dr. Torode, his floppy controller, and Digital Systems". New Jersey, USA. Archived from the original on 2020-02-07. Retrieved 2020-02-25.
- Johnson, Herbert "Herb" R. (June 2011) [2007-06-10, 2007-10-14, 2009-02-03]. "30 years of CP/M". New Jersey, USA. Archived from the original on 2020-02-25. Retrieved 2020-02-25.
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