Apple IIe User Manual
Page 58
Page 58 of 74
IIe
Printed: Tuesday, March 4, 2003 10:40:15 AM
much human intervention.
PL/1:
A complex, but flexible programming language said to combine the best features of
FORTRAN, a programming language suited to scientific applications, and COBOL, a programming
language suited to business applications.
plotter:
A device that prints charts and graphs.
pointer:
A marker that moves across the screen when you move the mouse across your desk (in
mouse-driven programs).
Compare cursor.
Power light:
A light that tells you whether or not the Apple IIe is turned on.
power strip:
A device that plugs into one three-hole, grounded outlet, but which can
accommodate four or six three-pronged plugs.
A must if you have more than two devices that
need to be plugged into a grounded, three-hole outlet.
power supply:
A box that draws electrical power out of the power outlet and converts it to
power the computer can use to do its computing.
power switch:
A rocker switch on the back of the computer that you turn on when you want to
use your computer.
print buffer card:
A card that plugs into a printer interface card that lets your Apple IIe
send an entire file to the printer at one time so you can use your computer for other things
while the file is being printed.
printer:
A device that produces a paper copy of the information you create using the computer.
ProDOS:
Short for Professional Disk Operating System.
The primary operating system for the
Apple IIe.
See operating system.
ProDOS User's Disk:
A set of programs for manipulating files created with ProDOS-based
programs.
See utilities.
ProFile:
A mass storage device that can hold the equivalent of dozens of floppy disks.
program:
(n.)
Instructions that tell the computer what to do. (v.)
To write instructions for
the computer to talk to the computer in terms it understands.
program disk:
A disk containing an operating system and a self-starting program.
program manager:
A program that lets you select application programs from a menu, once the
applications are stored on a mass storage device like the ProFile, rather than swapping program
disks and restarting the computer.
programmer:
A person who writes computer programs.
prompt:
A bracket (]) that appears on the screen when a program or programming language is
waiting for you to supply information.
public domain software:
Software that is free for the taking. You can get it at users group
meetings or through computer bulletin boards.
pull-down menu:
A menu that is hidden until you click on its title with the mouse.
radio-frequency (RF) modulator:
A device that transforms your television set into a computer