Accession Number:

AD0722095

Title:

Case Study in Interactive Computer Graphics. Computer-Aided Design of Logical Circuits. Volume II/Appendices,

Descriptive Note:

Corporate Author:

DARTMOUTH COLL HANOVER N H DEPT OF MATHEMATICS

Personal Author(s):

Report Date:

1971-02-01

Pagination or Media Count:

211.0

Abstract:

A software package is written for a computer-aided design of logical circuits. Using a graphic terminal and a light-pen, the user will build a logical circuit choosing the components from a set offered to him, and connecting them to each other. During this highly interactive process, all the users mistakes may be corrected. The software system organizes the data from the picture in a data structure specifically designed to allow easy manipulation of the picture on one hand, and for a subsequent simulation of the circuit on the other hand. The first part creation of the circuit makes use of a PDP-9 computer with 8k of core, a GRAPHIC-2 terminal and a 250 K disk. The second part simulation is done by the LOGICS program on a GE-635 Time-Sharing to which the PDP-9 is connected by a high-speed line. The user has a choice between 10 to 12 different components. Practically, the circuit may have approximately 30 to 40 components. Author

Subject Categories:

  • Computer Programming and Software
  • Computer Hardware

Distribution Statement:

APPROVED FOR PUBLIC RELEASE