Object-orientated programming Programming based on the concept that once a function has been programmed, it becomes an off-the-shelf building block (or object) to be used in other programs. Each object can be used in conjunction with others and used time and time again.
OCR Stands for "optical character recognition"--the type of software your scanner uses to transform the text on a printed page into text you can edit on your computer. While the first OCR programs left much to be desired, most OCR programs available today are between 95 and 99 percent accurate--which means they can save you a lot of typing.
Octal A numbering system based on eight numbers (0 through 7).  Counting in octal goes 0, 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 16, 17, 20, ...........
OEM Acronym for "Original Equipment Manufacturer." It's a word used to describe a company that uses products from other companies in its own product, and then sells the finished product under its own name. For example, if you buy a Toshiba laptop pre-loaded with Microsoft Windows 2000, then Toshiba is an OEM. The term is also used to describe products, eg. in the example above the version of Windows 2000 will be an OEM version because Toshiba have added certain functions to the software which the original company (Microsoft) had not included.
Off-line Term used to refer to the status of a printer or other computing device when it is turned off or faulty and is incapable or receiving data.
OLE Acronym for Object Linking and Embedding. OLE is a compound document standard developed by Microsoft. It enables you to create objects with one application and then link or embed them into a second application. Embedded objects retain their original format and links to the application that created them. An example of how this can be used is that a chart created in Excel from data in Excel can be placed into a Word document and kept up to date should the data change using OLE.
On-line A term referring to a computer system or other device connected to a computer that indicates that it capable of receiving data.
Optimisation The process of compressing images by decreasing the colour palette and selecting The appropriate format. This facilitates faster downloads.
OS Operating System. The basic software which enables the computer hardware to be used for various purposes.


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This page was last updated on Sunday, 14 December 2008