A three-value computer design verification system

  • Authors:
  • J. S. Jephson;R. P. McQuarrie;R. E. Vogelsberg

  • Affiliations:
  • -;-;-

  • Venue:
  • IBM Systems Journal
  • Year:
  • 1969

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Abstract

Described is an experimental system for verifying logic designs in the development of a computer before a commitmeat to produce the computer is made. The system simulates logic activity with both known (0, l) and unknown (X) values. The use of the third value facilitates the generation of tests and the detection of circuit hazards.