- OC-3 - (Optical Carrier 3)
OC-3 is a network line with transmission speed of 155.52Mbit/s (payload 150.336Mbit/s) using fiber optics.
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- OCX - Short for OLE Custom control, an independent program module that can be accessed by other programs in a Windows environment. OCX controls end with a .ocx extension. OCX controls represent Microsoft's second generation of control architecture, the first being VBX controls written in Visual Basic.
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- ODBC - (Open Database Connectivity)
ODBC is a standard or open application programming interface (API) for accessing a database.
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- Offline - Not available to the network.
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- On Hold - If the user wants to exclude any active account from daily functions, this account status should be assigned. The system will not include this account in any processes. However, the account will be included on any report.
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- Online - Available to the network.
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- Open source - In general, open source refers to any program whose source code is made available for use or modification as users or other developers see fit. Open source software is usually developed as a public collaboration and made freely available. See official website.
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- OpenSRS - (Open Shared Registration System)
OpenSRS is a wholesale domain name registration service that uses Open Source principles to ensure equal participation for as many companies and individuals as possible. Sponsored by Tucows.com, OpenSRS has been accredited as a domain registrar by ICANN and recognized by the United States Government and Network Solutions.
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- Operating System - (OS)
The software that the rest of the software depends on to make the computer functional. On most PCs this is Windows or the Macintosh OS. UNIX and Linux are other operating systems often found in scientific and technical environments.
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