An algorithm of diagnostics with signature analyzer

The study of faulty signature (checksum) in computer hardware testing is presented. When a faulty signature is observed, it is caused by one of many possible input sequences that contain errors at different locations. The faulty signature is analyzed in order to reduce the number of tests and simpli...

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Bibliographic Details
Published in:IEEE transactions on instrumentation and measurement 1990-12, Vol.39 (6), p.1004-1007
Main Authors: Chan, J.C., Womack, B.F.
Format: Article
Language:English
Subjects:
Algorithm design and analysis
Applied sciences
Circuit faults
Circuit testing
Computer errors
Decoding
Exact sciences and technology
Fault diagnosis
Hardware
Information, signal and communications theory
Linear feedback shift registers
Performance analysis
Polynomials
Telecommunications and information theory
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Description
Summary:The study of faulty signature (checksum) in computer hardware testing is presented. When a faulty signature is observed, it is caused by one of many possible input sequences that contain errors at different locations. The faulty signature is analyzed in order to reduce the number of tests and simplify the fault-isolation process. It is found that the number of errors among the sequences is distributed with binomial characteristics. To support the analysis, a computer simulation is performed to analyze the distributions of undetected errors.< >
ISSN:0018-9456
1557-9662
DOI:10.1109/19.65815