Lenovo ThinkPad 560 Thinkpad 560 User's Guide - Page 254

Glossary information processing system are organized and interconnected. (2) The physical and logical arrangement of devices and programs that make up a data processing system. (3) The devices and programs that make up a system, subsystem, or network. EIA-232D. An EIA interface standard that defines the physical, electronic, and functional characteristics of an interface line that connects a communication device and associated workstation. It uses a 25-pin connector and an unbalanced line voltage. CRT. Cathode ray tube display. EMS. Expanded memory specification. device driver. A file that contains the code needed to attach and use a device. Operating system loads device drivers for screens, keyboards, printers, diskette drives, hard disk drives, and auxiliary devices. The user can replace these or add other devices by coding and loading a device driver. DIMM. Dual inline memory module. DIP switch. In an IBM personal computer, a two-position switch on a circuit board that is preset to control certain functions; the user can change the position of a DIP switch to satisfy special requirements. directory. A type of file containing the names and controlling information for other files or other directories. DMA. Direct memory access. The transfer of data between memory and input/output units without processor intervention. double-click. To press and release a mouse button twice within a time frame defined by the user, without moving the pointer off the choice. DSP. Digital signal processor. ECP. Extended Capability Port. FAQ. Frequently asked questions. fax. (1) Facsimile machine. (2) A transmitted document from a facsimile machine. fixed disk. In personal computing, fixed disk is synonymous with hard disk. flash memory. Electrically rewritable storage. folder. A file used to store and organize documents. fuel gauge. An indicator on the screen that constantly shows the current power status of the battery pack. HHR. Half-horizontal resolution. hibernation. One of the power-saving methods that stores data and applications running in the computer's memory on the hard disk. During hibernation, the computer is automatically turned off to save power. When power is turned on again, the computer immediately restores the same data and applications as when hibernation started, without restarting the operating system. high-resolution mode. Video resolutions that are greater than 640 by 480 pels. EGA. Enhanced graphics adapter. EIA. Electronics Industries Association. icon. A graphic symbol, displayed on a screen, that a user can point to with a pointing device such as a TrackPoint III or mouse to select a particular function or software application. 236 IBM ThinkPad 560 User's Guide