Toshiba Satellite Pro M40 - Manual (Page 185)

User’s Manual Glossary-13
Glossary
system disk: A disk that has been formatted with an operating system. For
MS-DOS the operating system is contained in two hidden files and
the COMMAND.COM file. You can boot a computer using a system
disk. Also called an operating system disk.
T
terminal: A typewriter-like keyboard and CRT display screen connected to
the computer for data input/output.
TFT: A color LCD technology that applies individual transistors to each
pixel enabling fine display control and excellent screen legibility.
TTL: Transistor-transistor logic. A logic circuit design that uses switching
transistors for gates and storage.
U
USB: Enables chain connection of a number of USB-equipped devices to
one port on your computer. For example, you might connect a
USB-HUB to the computer, then connect a keyboard to the
USB-HUB and a mouse to the keyboard.
V
VGA: Video graphics array is an industry standard video adapter that lets
you run any popular software.
volatile memory: Random access memory (RAM) that stores information
as long as the computer is connected to a power source.
W
Warm dock/undock: Connecting or disconnecting a device to or from the
computer while the computer is suspended.
warm start: Restarting or resetting a computer without turning it off.
window: A portion of the screen that can display its own application or
document. Often used to mean a Microsoft Windows window.
Wireless LAN: A short-range radio technology designed to simplify
wireless communication with other LAN systems based on Direct
Sequence Spread Spectrum radio technology that complies with the
IEEE 802.11 Standard (Revision B).
write protection: A method for protecting a diskette (floppy disk) from
accidental erasure.