||International symbol for the On/Off switch (mains switch) on many computer devices.
||International symbol on an On/Off switch to indicate the OFF position.
|OCR (pronounced "O-C-R")
||Acronym for Optical Character Recognition.
|OEM (pronounced "O-E-M")
||Acronym for Original Equipment Manufacturer.
||A term used with modems to indicate when the modem is using the telephone line, the comms equivalent of picking up the handset.
||The computer program at the heart of every computer that enables it run other software programs, play games etc. The operating system must understand
the hardware inside the computer and know how to talk to devices attached
to it. For PCs, the
most popular operating systems are MS-DOS,
and Windows, but
others are available, such as Linux.
For Macintoshes the operating system is called Mac O/S, while Amiga's need
|OPTICAL CHARACTER RECOGNITION
||The ability of the computer using a scanner and special software to read hand written or printed symbols, letters etc directly into the
computer, thereby bypassing data entry via the keyboard.
||Optical Disks use some form of light have been around for many years but have evolved dramatically in recent years, to the point where nearly 8GB can be
stored. The simplest form is the
|ORIGINAL EQUIPMENT MANUFACTURER
||A generic term used to describe computer companies who manufacture or assemble computers from components for sale. The software
installed on these machines is often supplied without manuals etc because it is supplied
to them at "OEM" prices for installation only and not for resale.
operating system developed by IBM, in collaberation with Microsoft, for
the PS/2 computers which offered limited compatibility with Windows. While
it had some nice features, particularly in its "Warp"
incarnation, it lacked support and was rather pedantic in use, so it
did not find favour as an general OS.
generic term used to describe a font which has been mathematically defined
such that it can be scaled to any size. See Postscript
Fonts and True Type Fonts.