1. LAN
Local Area Network or LAN is a computer information system used to enter, store, retrieve, and evaluate data in a localized area. ... The LAN is driven by a mainframe computer, connected to personal computer workstations throughout the process. Process parameters, characteristics, and test results are entered into spreadsheet software in the workstation computer. The data is stored on the mainframe computer that works like an additional hard drive. ... The engineers and support team can bring up all the data at their desktop computer when needed....
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