Dell PowerVault MD3000i Bedienungsanleitung PDF herunterladen (Seite 100)

100 Glossary

USB — Universal Serial Bus. A USB connector provides a single connection point for

multiple USB-compliant devices, such as mice and keyboards. USB devices can be

connected and disconnected while the system is running.

utility — A program used to manage system resources—memory, disk drives, or

printers, for example.

UTP — Unshielded twisted pair. A type of wiring used to connect systems in a

business or home to a telephone line.

V — Volt(s).

VAC — Volt(s) alternating current.

VDC — Volt(s) direct current.

VGA — Video graphics array. VGA and SVGA are video standards for video adapters

with greater resolution and color display capabilities than previous standards.

video adapter — The logical circuitry that provides (in combination with the

monitor) your system’s video capabilities. A video adapter may be integrated into the

system board or may be an expansion card that plugs into an expansion slot.

video driver — A program that allows graphics-mode application programs and

operating systems to display at a chosen resolution with the desired number of colors.

Video drivers may need to match the video adapter installed in the system.

video memory — Most VGA and SVGA video adapters include memory chips in

addition to your system’s RAM. The amount of video memory installed primarily

influences the number of colors that a program can display (with the appropriate

video drivers and monitor capabilities).

video resolution — Video resolution (800 x 600, for example) is expressed as the

number of pixels across by the number of pixels up and down. To display a program

at a specific graphics resolution, you must install the appropriate video drivers and

your monitor must support the resolution.

W — Watt(s).

WH — Watt-hour(s).

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Dell PowerVault MD3000i Bedienungsanleitung Seite 100