High Definition Compatible Digital. A compact disc coding
system that provides better quality of sound.
High Speed Circuit Switched Data (HSCSD) is an enhancement
of data services (Circuit Switched Data - CSD) of all
current GSM networks. It allows you to access nonvoice
services at 3 times faster, which means subscribers are
able to send and receive data from their portable computers
at a speed of up to 28.8 kbps
High-tension meaning high voltage
Hypertext mark-up language. The computer language web
pages are written in. You do not need to learn to write
HTML code, as there are inexpensive software packages
that will do the coding for you, behind the scenes. Variants,
such as DHTML and XML, are now becoming more popular types
of code. Pages written in these new formats can be used
in newer internet browsers.
HyperText Transport Protocol. The communications mechanism
used to exchange information on the Internet.
Hertz. A unit of frequency equal to one cycle per second