OpenGL (Open Graphics Library) is a specification defining a cross-language cross-platform API for writing applications that produce 3D computer graphics (and 2D computer graphics as well). The interface consists of about 250 different function calls which can be used to draw complex three-dimensional scenes from simple primitives. It is very popular in the video games industry where it competes with Direct3D
Open source software is similar in idea to "free software" but slightly less rigid than the free software movement. Users of open source software are (generally) able to view the source code, alter and re-distribute open source software. There is however less of an emphasis in the open source movement on the right of information and source code to be free and in some cases companies are able to develop proprietary products based on open source ones.
Small Web browser, competitor of Netscape Communicator and Internet Explorer, which supports style sheets and JavaScript.
The hypothalamus of your computer's brain. This software controls low-level functions such as scheduling tasks, allocating storage and presenting a default graphical user interface to the user when no application is running. Your interaction with your computer and your computer's interaction with the outside world depends on which operating system you choose. The two most popular systems for personal computers are Windows (for IBM-compatible computers) and the Macintosh OS.
A program that converts text documents (scanned from actual paper documents) into a computer-editable text file. The program "recognizes" the pattern of dots as text characters.
An operating system from IBM designed to replace DOS on computers with Intel microprocessors.
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