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Owen Mock

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Title: Owen Mock  
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Subject: Timeline of United States inventions (1946–91)
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Owen Mock

Owen R. Mock was a computer software designer and programmer who pioneered computer operating systems in the 1950s. In 1954 Mock was part of a group of programmers at the Los Angeles division of North American Aviation (NAA) who developed the PACT series of compilers for the IBM 701 computer. In December 1955, Mock's group installed in the IBM 701 the "North American 701 Monitor" which was the first operating system to be in operation.

[1] This GM-NAA I/O software was the first operating system for the 704 and began production in 1956.


  • Owen R. Mock, Logical Organization of the PACT I Compiler, J. ACM, vol. 3, No. 4, pages 279-287 (October, 1956).
  • Owen R. Mock, The Share 709 System: Input-Output Buffering, J. ACM, vol. 6, No. 2, pages 145-151, (April, 1959).


  1. ^ , by Robert L. PatrickOperating Systems at Conception
  • North American 701 Monitor by Owen R. Mock
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