207
interlaced:
A method of refreshing a computer screen, in which only every other line of
pixels is refreshed. Interlaced monitors take two passes to create a complete
screen image.
Internet:
The collection of computers located throughout the world that are connected
over telephone lines to provide electronic mail and other services.
Intranet:
World Wide Web pages designed to serve a limited group of people, such as
the employees of a particular company. Users must enter a password to
access the information provided.
K
keyboard:
The device you use to type information into the computer. Each key on the
keyboard is a switch that is activated when you press it. The switch sends a
specific code, representing the character printed on the key, to the processor.
keyboard shortcut:
A key or combination of keys you use to perform a task instead of
using a pointing device, such as a mouse.
kilobyte (KB):
A unit of data storage equal to 1024 bytes. Although kilo means 1000, for
computers it refers to 1024, or 2 raised to the 10th power. See also
byte
.
L
laser disc:
Reflective-optical videodisc, recorded and read by laser light.
legacy device:
1) A peripheral device or card that does not have Plug and Play capability
built into it. 2) In networking, a device that is designed to work with proprietary
communication protocols instead of conforming to open standards.
light-emitting diode:
A semiconductor device that emits light when it receives an electric
current. Used for indicators like disk activity lights.
liquid crystal display (LCD):
A type of display that uses a liquid substance between two
transparent electrode panels. By selectively turning the electrodes on and off,
the LCD creates the images you see on the screen.
load:
To move information from a storage device (such as a CD-ROM) into memory,
making it available to the computer for processing.
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