Glossary - O

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OEM:	Which stands for Original Equipment Manufacturer, is a company that develops, produces and sells computer and consumer hardware.
OLTP:	Also know as Online Transaction Processing, is an application that changes/updates data and has a large number of concurrent users. Many OLTP systems are written against a RDBMS.
Open Source:	Refers to software source code which is available to the general public and does not have licensing restrictions that limit its use, modification, or redistribution. he best example of open source code is Linux.
Operating System:	Also known as an OS, is the software that controls the overall operation of a computer system, including such tasks as memory allocation, i/o distribution, and job scheduling.
Outbox:	The outbox is the default folder where outgoing messages are stored until they are sent.
Overclock:	The process of modifying a computer component to run at a higher clock rate than it was designed for. This is typically done on CPUs to increase the computers performance.