Television has a built-in ITV Digital decoder allowing
the Television set to receive terrestrial digital channels
without a set-top box. Free Channels include BBC1, BBC2,
ITV1, Channel 4 , Channel 5. Picture and sound quality
tends to be superior to that of Analogue due to a more
Internet Information Server. This is the Microsoft web
server program. A version called PWS (personal web server)
is included with Windows 98.
Interactive Relay Chat - a method of communicating with
other users on the Internet in real time using a text-based
Integrated Reception System, is a type of television distribution
system, combining digital satellite (including Sky digital),
digital terrestrial (including Freeview), and analogue
terrestrial signals. These signals are distributed to
points in each flat or home enabling residents to receive
the television service of their choice (the system also
distributes radio signals and CCTV as required)
Integrated Services Digital Network. A fast phone line
that significantly increases the rate at which you can
transmit and receive information (either 64 or 128kbps),
for example when connect to the Internet. If you have
large files of data to transmit (such as video or high
resolution photography) or you want to video and data
conference regularly, you may want an ISDN line. Broadband
connections are even faster than ISDN, and are beginning
to supersede it).
Stands for International Standards Organisation. In conventional
photography, the ISO number is a measure of the light
sensitivity of photographic film, and this has been carried
over into digital photography as a way of expressing light
sensitivity of the CCD.
Internet service provider - an organisation which allows
companies and individuals to connect to the Internet.