Cool-Lux A100 manual Write protection, Glossary-13

write protection

S-video:This connection provides separate lines for contrast and color, which produces a video image superior to that produced by a composite con- nection. See also RCA jack.

synchronous: Having a constant time interval between successive bits, char- acters or events.

system disk: A disk that has been for- matted with an operating system. For MS-DOS the operating system is con- tained 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 exam- ple, 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 informa- tion as long as the computer is con- nected to a power source.

W

Warm dock/undock: Connecting or disconnecting a device to or from the computer while the computer is sus- pended.

warm start: Restarting or resetting a computer without turning it off.

window: A portion of the screen that can display its own application or doc- ument. Often used to mean a Microsoft Windows window.

Wireless LAN: A short-range radio technology designed to simplify wire- less communication with other LAN systems based on Direct Sequence Spread Spectrum radio technology that complies with the IEEE 802.11 Stan- dard (Revision B).

write protection: A method for pro- tecting a diskette (floppy disk) from accidental erasure.

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