A body in space which receives signals from the earth
and beams them to another part of the earth.
Search engine software (on sites such as Google, Yahoo!
Alta Vista or Lycos) helps you find what you are looking
for on the World Wide Web. When you type in a word or
phrase to describe what you are looking for, the search
engine matches this against its index, to offer a list
of likely matches. Getting an e-commerce site listed on
the major search engines is vital for attracting visitors
A scart cable connects the video, audio and system control
signals, to and from the VCR, TV, Games Console or other
Consists of a 21-pin cable connector socket that provides
connections between different AV equipment.
Shareware software is distributed free, usually via the
Internet. You can use it for evaluation purposes, but
are trusted to send money to the authors if you want to
use it regularly. Sometimes sending a payment brings a
more powerful version of the software, together with access
to technical support and future upgrades. For small software
firms, shareware can provide access to markets without
the need to invest heavily in marketing and distribution.
The shutter is the device behind the lens of the camera
which is normally closed, but opens for an instant when
a picture is taken to allow light into the camera and
onto the CCD. The length of time the shutter is open is
for is determined by the Metering System, and is known
as the shutter speed, not to be confused with shutter
lag. You will find that this will vary from shot to shot
dependent on lighting conditions.
Personal viewing card supplied and activated by the digital
broadcaster that when inserted in to a decoder box or
intergrated TV allows access to digital programming
Software is the program, or set of instructions, that
tells a computer what to do. There are two basic types
of software. The "operating system" - such as
Windows XP - controls the basic workings of a computer,
while "application software" - such as Microsoft
Word, Sun's Star Office and Adobe Photoshop - allows you
to do particular jobs. There are also other types of software
- for example, network software, which enables a group
of computers to communicate with one another, and language
software, which helps programmers to write other software.
A device that allows a computer to play sophisticated
Spam is junk email that clogs up your inbox, usually trying
to flog you pills or porn. Delete it without opening as
it may contain a virus, or use a Spam Filter to stop it
getting there in the first place.
Visual display of sound output in various frequency bands.
Precious metal used for very strong magnets in loudseakers.
Allows a compact design and high-quality sound reproduction
An operating system designed for small, portable devices
such as PDAs and mobile phones. It is an open OS supported
by many major mobile phone manufacturers.