Announcement / Release
around 1973
around 1983
Birth Place
Pacific Grove, California, United States of America


CP/M was a mass-market operating system created for Intel 8080/85-based microcomputers by Gary Kildall of Digital Research, Inc . Initially confined to single-tasking on 8-bit processors and nomore than 64 kilobytes of memory, later versions of CP/M added multi-user variations and were migratedto 16-bit processors.The combination of CP/M and S-100 bus computers loosely patterned on the MITSAltair was an early 'industry standard' for microcomputers, and this computer platform was widelyused in business through the late 1970s and into the mid-1980s, expanding to include 16-bit CPUs andmultiuser capability. By greatly reducing the amount of programming required to install an applicationon a new manufacturer's computer, CP/M increased the market size for both hardware and software.Theacronym CP/M for 'Control Program/Monitor' was later backronymed to 'Control Program for Microcomputers'or 'Control Program/Micro.'

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