Apple IIgs - Manual (Page 69)

Page 69 of 84 II gs
Printed: Thursday, July 25, 2002 12:14:50 PM
co-processor: A microprocessor on a card that overrides or works with the microprocessor on the
main circuit board.
copy-protect: To prevent someone from duplicating the contents of a disk. Compare
write-protect.
courseware: Educational software.
CP/M: Stands for Control Program for Microprocessors. An operating system that works with the
Z80 microprocessor.
CR: See carriage return.
cursor: A blinking underline, rectangle, or other symbol that marks your place on the screen.
It shows you where your next action will take place. Compare pointer.
cut: To remove text or pictures from a document by using the Cut command. The most recent
clipping
is stored on the Apple IIgs's Clipboard so you can paste it somewhere else if you
want.
cut and paste: To move something from one place in a document to another. It's the computer
equivalent of using scissors to clip something and glue to paste the clipping somewhere else.
daisy wheel printer: A type of printer that produces professional-looking, letter-quality
documents.
data: Information, especially raw or unprocessed information.
data base application: A type of application that helps you keep track of lists of information.
It makes it easy to recall, update, and cross-reference information.
data bits: The form in which the computer sends and receives information as a string of bits.
data disk: A disk that contains your work letters, budgets, pictures, and so on.
DCD: Stands for Data Carrier Detect. A handshake signal used to regulate the flow of data
between the computer and a peripheral device.
default: A preset response to a question in an application. The response is used by default
unless you supply an alternative.
Delete: A key that you can press (in some applications) to erase the character to the left of
the cursor.
desk accessory: A mini-application that you can use without leaving your main application.
device: See peripheral device.
digital signal: A signal that is sent and received in discrete intervals. Compare analog
signal.
digitizer: A peripheral device that takes a photo and converts the image into a form that the
computer can process, save on a disk, display on the screen, or print.
direct-connect modem: A modem that you plug directly into a phone jack. The advantage of a
direct-connect modem over an acoustic-coupler modem is that the phone signals don't have to