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| English thesaurus |
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['əupən'sɪstɪm]
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| comp., abbr. |
OS |
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Open Systems
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| abbr., mil., commer. |
OS |
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open system ['əupən'sɪstɪm]
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| IT |
A model for the design of a network. The open systems interconnect OSI model defines groups of functionality required to network computers into layers. Each layer implements a standard protocol to implement its functionality. There are seven layers in the OSI model. |
