User’s Manual Glossary-13
Glossary
TTL: Transistor-transistor logic. A logic circuit design that uses switching
transistors for gates and storage.
U
Universal Serial Bus: This serial interface allows you to communicate with
several devices connected in a chain to a single port on the
computer.
V
VGA: Video Graphics Array is an industry standard video adaptor that
allows you to run any popular software.
volatile memory: Random access memory (RAM) that stores information
as long as power is supplied to the computer.
W
warm start: Restarting or resetting a computer without turning it off.
window: A portion of the screen that can display its own application,
document or dialog box. Often used to mean a Microsoft Windows
window.
Wireless LAN: Local Area Network (LAN) through wireless
communication.
write protection: A method for protecting a floppy diskette from accidental
erasure.
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