select a letter for terms starting with that letter:
| B | C
| D | E
| F | G
| H | I
| J | K
| L | M
| N | O
| P | Q
| R | S
| T | U
| V | W
| X | Y
The recipient of a projected image. Also used to partition
rooms within buildings.
A measure of electrical power. As it pertains to projectors,
a watt measures the power of the internal speaker.
The actual weight of the projector minus power cord,
bag, and other optional accessories.
Acronym for Wide Area Network.
A unit of electric power used to indicate the rate of
energy produced by, or consumed by an electrical device.
One watt is one joule of energy per second.
A display of a signal (on an oscilloscope) that shows
the magnitude of current or voltage with respect to
time. For example, by displaying the waveform of a signal
on an oscilloscope, and measuring the time between cycles,
its frequency can be calculated.
A digital value that represents the voltage of a signal
at a specific point in time. Waveform points are calculated
from sample points and stored in memory.
A special oscilloscope used to display and analyze electrical
(voltage or current) signals.
The lightest visible surface, created by a reflection
of all colored light.
The signal level which corresponds to the maximum picture
brightness in television. The white level set by the
Noise with random amplitude (strength) over a wide frequency
range. Used to test loud speakers for resonance and
sensitivity. Low levels of white noise can be used to
cover up other random noises, for example in an open
A communications network that services a geographic
area larger than that served by a local area network
or metropolitan area network. WANs usually are
found in large companies that need all their branch
offices connected "real-time" to the same
The size of an image in a horizontal direction.
A defined portion of the computer screen in which a
video image or other information is presented. In graphical
user interfaces, a rectangular portion of the display
in which you view a document or application.
addition to MS DOS that presents a graphical user interface.
new graphical user interface that fully incorporates
MS DOS and/or UNIX.
A device equipped with a keyboard which is capable of
sending text and receiving text from a computer CPU.
A workstation is usually super high resolution graphics
and extremely powerful computing capabilities.
An international network of subscriber sites where selected
information in the form of text and/or graphics is made
available to computer users (web site visitors).
Acronym for write-once/read-many. A type of permanent
optical storage that enables the user to record original
information on a blank user to record original information
on a blank disc, but prevents that information from
being changed or erased after the initial recording.
The transcription of recorded data from one location
to another or from one medium to another.
Acronym for World Wide Web.
Acronym for "What You See Is What You Get."
This refers to a graphical display mode in which the
page on the display screen represents exactly what will
appear on the printed page.