Toshiba A600-ST2232 Toshiba User's Guide for Portege A600 - Page 229
E, expansion device
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229 Glossary double-click - To press and release the pointing device's primary button rapidly twice without moving the pointing device. In the Windows® operating system, this refers to the pointing device's left 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 mouse button while moving the cursor to drag a selected object. In the Windows® operating system, this refers to the left mouse button, unless otherwise stated. driver - See device driver. DVD - An individual digital versatile (or video) disc. See also DVDROM. 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. expansion device - A device that connects to a computer to expand its capabilities. Other names for an expansion device are port expander, port replicator, docking station, or network adapter. extension - See file extension. external device - See device.