Glossary-6 User’s ManualGlossarydevice driver: A program (called a "driver") that permits a computer tocommunicate with a device.dialog box: A window that accepts user input to make system settings orrecord other information.disable: To turn a computer option off. See also enable.disk drive: The device that randomly accesses information on a disk andcopies it to the computer's memory. It also writes data from memoryto the disk. To accomplish these tasks, the unit physically rotates thedisk at high speed past a read-write head.disk storage: Storing data on magnetic disk. Data is arranged onconcentric tracks much like a phonograph record.display: A CRT, LCD, or other image producing device used to viewcomputer output.documentation: The set of manuals and/or other instructions written forthe users of a computer system or application. Computer systemdocumentation typically includes procedural and tutorial informationas well as system functions.double click: To press and release the pointing device's primary buttonrapidly twice without moving the pointing device. In the Windowsoperating system, this refers to the pointing device's left button,unless otherwise stated.driver: A software program, generally part of the operating system, thatcontrols a specific piece of hardware (frequently a peripheral devicesuch as a printer or mouse).DVD: An individual digital versatile (or video) disc. See also DVD-ROM.DVD-R (+R, -R): A Digital Versatile Disc-Recordable disk can be writtenonce and read many times. The DVD-R drive uses a laser to readdata from the disc.DVD-RAM: A Digital Versatile Disc-Random Access Memory is a highcapacity, high performance disc that lets you store large volumes ofdata. The DVD-ROM drive uses a laser to read data from the disc.DVD-ROM: A Digital Versatile Disc-Read Only Memory is a high capacity,high performance disc suitable for play back of video and otherhigh-density files. The DVD-ROM drive uses a laser to read datafrom the disc.DVD-RW (+RW, -RW): A Digital Versatile Disc-ReWritable disc can berewritten many times.Eecho: To send back a reflection of the transmitted data to the sendingdevice. You can display the information on the screen, or output it tothe printer, or both. When a computer receives back data ittransmitted to a CRT (or other peripheral device) and then transmitsthe data to printer, the printer is said to echo the CRT.enable: To turn on a computer option. See also disable.
