Glossary

241

Terms

diskette — A thin, flexible disk in a protective jacket that stores magnetically encoded data. Diskettes can be removed from the computer and come in two sizes: 5.25-inch and 3.5-inch. Your computer uses 3.5-inch diskettes. See also double-density diskette, high-density diskette.

document — Any file created with an application and, if saved to disk, given a name by which it can be retrieved. See also file.

double-click— To press the AccuPoint control button or mouse button rapidly twice without moving the AccuPoint or mouse. In Windows, this refers to the primary AccuPoint control button or left mouse button, unless otherwise stated.

double-density diskette — A 3.5-inch diskette that can hold up to 720 KB of information (half the capacity of a high-density diskette). See also diskette, high-density diskette.

download — (1) In communications, to receive a file from another computer through a modem or network. (2) To send font data from the computer to a printer. See also upload.

drag — To hold down the AccuPoint control button or mouse button while moving the cursor to drag a selected object. In Windows, this refers to the primary AccuPoint control button or left mouse button, unless otherwise stated.

driver — See device driver.

DVD — An individual digital versatile (or video) disc. See also DVD-

ROM.

DVD-ROM (digital versatile [or video] disc read-only memory) — A

very high-capacity storage medium that uses laser optics for reading data. Each DVD-ROM can hold as much data as several CD-ROMs. Compare CD-ROM.

E

emulation — A technique in which a device or program imitates another

 

 

device or program.

 

enable — To turn on a computer option. See also disable.

 

executable file — A computer program that is ready to run. Application

 

programs and batch files are examples of executable files. Names of

 

executable files usually end with a .bat or .exe extension.