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Glossary
input focus — When the input focus is on a particular file's window, you can alter that file (
type in text, add graphics etc). The title bar and other icons on the window will
change colour.
keyboard — Built in or attached to computer by a curly cable. You use it to input
information to the computer.
kilobyte (KB) — Unit of size relating to storage space in a computer. There are 210 (1024)
bytes in a kilobyte. A formatted high density floppy disc can hold about 1600KB. A
hard disc can hold much more.
LED — Light Emitting Diode.
letterbox — A type of screen mode, much wider than it is high.
local area network (LAN) — A general term for a network like Econet or Ethernet.
megabyte (MB) — There are 210 (1024) kilobytes in a megabyte.
memory— The computer's information storage areas (see also RAM). If you try to run too
many applications at once, you may run out of computer memory and have to
remove some of the applications you are not using.
menu — List of actions you can choose from to perform on (or within) files, directories,
applications and so on.
Menu button — Middle mouse button. Click it to display a menu.
menu option — See menu.
modem — Short for Modulator-Demodulator. A device that allows the computer to send and
receive electronic signals via a telephone.
monitor — Screen unit (like a TV set) used to display communications from the computer.
Monitors can be colour or monochrome (black and white). Also known as a Visual
Display Unit (VDU).
MonitorType — A computer variable that determines which screen modes your monitor can
display.
mouse — Small plastic box with three buttons on top and a cable attaching it to the computer.
Hold it in your right hand, if you're right handed. Moving it moves the pointer on the
screen.
move — Press Shift while dragging a file to move (rather than just copy) a file from one
directory to another.
numeric keypad — Group of keys on the righthand end of the keyboard. When the light on
the NumLock key is on, the keys perform the functions marked on them. With
NumLock off, they may behave differently, depending on the application.
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