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Three packaging rules for information systems design

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dc.contributor.author Mende, J
dc.contributor.editor Kritzinger, P.
dc.date.accessioned 2018-08-03T06:59:21Z
dc.date.available 2018-08-03T06:59:21Z
dc.date.issued 1987
dc.identifier.citation Mende, J. (1987) Three packaging rules for information systems design. Proceedings of the 4th South African Computer Symposium, Holiday Inn, Pretoria, 1-3 July 1987, edited by P. Kritzinger (UCT). en
dc.identifier.uri http://hdl.handle.net/10500/24538
dc.description.abstract After identifying the processing functions required in a computer based information system, the designer needs to combine them into an optimal se t of load un its. Some “packaging” arrangements yield a better system than others, depending upon characteristics of the data collected from external sources and the data extracted for external users. An effective and technically efficient system satisfies three rules. 1. If two user data types are needed at different times, the corresponding extract functions should be separated in different load units. 2. If source data predates the user data derived from it, the corresponding collect and extract functions should be separated in different load units. 3. If two source data types are available at different frequencies, one being less frequent than user data derived from it, the corresponding collect functions should be separated in different load units. en
dc.language.iso en en
dc.title Three packaging rules for information systems design en


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