Apple IIgs - Manual (Page 70)

Page 70 of 84 II gs
Printed: Thursday, July 25, 2002 12:14:50 PM
travel through the handset, so there's less distortion. See also acoustic-coupler modem.
directory: A list of all the files on a disk. Sometimes called a catalog. See also
subdirectory.
disk: A circular plastic object coated with iron oxide. You can buy applications prerecorded on
disks, and you save your work on blank disks. Disks come in different sizes for use with
different types of disk drives. See 5.25-inch disk, 3.5-inch disk, and hard disk.
disk drive: A device that loads information from a disk into the memory of the computer and
saves information from the memory of the computer onto a disk.
disk drive controller card: A circuit board that provides a connection between the Apple IIgs
and one or two disk drives.
disk drive light: A light that comes on when your disk drive is loading from or storing on a
disk. Sometimes called an in-use light. When the light is off, it's safe to put disks in or
take disks out. When the light is on, don't remove the disk inside.
disk operating system: See operating system.
display: A general term to describe what you see on your screen when you're using a computer.
document: Information you create with a computer program. It could be a memo, a picture, a
budget. Also called a file.
DOS 3.2: Stands for Disk Operating System. An early Apple II operating system; 3.2 is the
version number.
DOS 3.3: One of three operating systems used by the Apple IIgs; 3.3 is the version number.
DOS 3.3 System Master: A disk that used to be packed with 5.25-inch disk drives. It performed
some of the functions now handled by the Apple IIgs System Disk. It has programs for
initializing disks, for copying DOS 3.3-based applications and documents, and more.
dot matrix printer: A type of printer that forms characters with patterns of dots.
double-click: To position the pointer where you want an action to take place, and then press
and release the mouse button twice in quick succession without moving the mouse.
double-high resolution: A graphics mode that can display information using a rectangular array
of 560 horizontal by 192 vertical dots for black and white and 140 horizontal by 192 vertical
dots for 16 colors.
Down Arrow: A key that you can press (in some applications) to make the cursor move down one
line.
download: To send a file from one computer to another.
drag: To position the pointer on something, press and hold the mouse button, move the mouse,
and release the mouse button. When you release the mouse button, you either highlight a
selection or move an object to a new location.
drill-and-practice application: A type of educational application that presents information,
tests your retention of the material, and gives feedback based on your answers.
drive: See disk drive.