For instance, in analytic geometry, a line in the plane is often defined as the set of points whose coordinates satisfy a given linear equation, but in a more abstract setting, such as incidence geometry, a line may be an independent object, distinct from the set of points which lie on it.
Moodle Stands for Modular Object-Oriented Dynamic Learning Environment. Moodle is an open source course management system, orginally developed by Martin Dougiamas.
A dongle is a small piece of hardware that connects to another device to provide it with additional functionality. In computing, the term is primarily associated with hardware providing a copy protection mechanism for proprietary software, in which the dongle must be attached to the system on which the software is installed in order for it to function. The first dongles were attached to the PC parallel port of the IBM PC via the DB-25 Centronics plug to prevent unauthorised use of proprietary so