System design of a computer for time sharing applications

  • Authors:
  • E. L. Glaser;J. F. Couleur;G. A. Oliver

  • Affiliations:
  • Massachusetts Institute of Technology, Cambridge, Massachusetts;Phoenix, Arizona;Phoenix, Arizona

  • Venue:
  • AFIPS '65 (Fall, part I) Proceedings of the November 30--December 1, 1965, fall joint computer conference, part I
  • Year:
  • 1965

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Abstract

In the late spring and early summer of 1964 it became obvious that greater facility in the computing system was required if time-sharing techniques were to move from the state of an interesting pilot experiment into that of a useful prototype for remote access computer systems. Investigation proved computers that were immediately available could not be adapted readily to meet the difficult set of requirements time-sharing places on any machine. However, there was one system that appeared to be extendible into what was desired. This machine was the General Electric 635. The 635 is a single address stored program computer with a word length of 36 bits. It possessed many of the characteristics that were deemed necessary for the application of a computer to time-sharing. The three most important characteristics are: 1. A clean and comprehensive order code, 2. a multiprocessor capability, and 3. nonsynchronous design.