Error Control Methods for an Automatic Checkout System

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Report Number: AMRL TDR 64-17
Author(s): Lewis, Theodore S., Huebner, Walter J.
Corporate Author(s): IIT Research Institute
Laboratory: Behavioral Sciences Laboratory
Date of Publication: 1964-03
Pages: 156
Contract: AF 33(657)-10271
DoD Project: 7184
DoD Task: 718404
PB Number: PB129667
Identifier: AD0607735

The development of error control techniques for the mancomputer interface of an automatic checkout system is presented. To minimize human error in man-computer communication in the automatic checkout complex precedence and connection matrix techniques for use with total and partial simulation methods were developed to detect errors in operational automatic checkout computer programs. Precedence and connection matrix techniques for use with total simulation methods were incorporated into a simulation computer program which comprised a total simulation of the computer which controls an operational automatic checkout system. The modified simulation was then used to process several computer runs of an operational automatic checkout computer program. The basic conclusions were that precedence and connection matrix techniques used with total and partial simulation methods can be useful in detecting errors in operational computer-controlled automatic checkout systems.

Provenance: RAF Centre of Aviation Medicine

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