Parent

Each independent or self-contained segment of code for which there exists a distinct and separate specification is tested independently of all other modules. Also known as component testing, this can be seen as a parent or superclass of unit testing.
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In a hierarchical database, data is organized like a family tree or organization chart with branches of parent records and child records.
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A method of testing software. Each unit of code is tested independently to discover any errors or omissions and to ensure that it functions properly. Unit testing should be performed by the development staff. The testing of a module for typographic, syntactic, and logical errors and for correct implementation of its design and satisfaction of its requirements.
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Graphical networks that represent probabilistic relationships among variables. The nodes represent uncertain variables and the arcs represent the causal/relevance relationships between the variables. The probability tables for each node provide the probabilities of each state of the variable for that node, conditional on each combination of values of the parent node.
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A public/private key system that uses the IDEA algorithm to encrypt files and email messages. PGP is not a standard but rather an independently developed product that has wide Internet grassroots support. See also GNU Privacy Guard (GnuPG). PGP provides confidentiality and authentication services for electronic mail and file storage applications. Developed by Phil Zimmerman and distributed for free on the Internet. Widely used by the Internet technical community.
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