A fault table is a table of test vectors for the faults tested. A ‘1’ entry indicates the relevant test vector is a test vector for that fault.

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Fault tables are a quick way of analysing all the possible test vectors, especially useful in the XOR method of test generation.

A fault table can be reduced, which removes multiple instances of equivalent faults and dominating faults. An example of a reduced fault table for an AND gate is below:


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