Term	Definition
ICT	Information Communications Technology
WAN	Wide Area Network – Computers that are not necessarily connected together on a small site but are connected together using other means, such as a dedicated telephone or ISDN line, or via the Internet
bps	Bits Per Second – bits pertaining to binary digits – 0 or 1, off or on respectively
Kbps	Kilo-bits per second – similar to bps but ‘kilo’ pertaining to ‘-thousand’
Mbps	Mega-bits per second – similar to bps and kbps but ‘mega’ pertaining to ‘-million’.
ISDN	Integrated Services Digital Network – connection to the Internet using a system of digital telephone lines, often dedicated.
ADSL	Asymmetric Digital Subscriber Line – a connection to the Internet using the currently vacant portions of a domestic telephone line
ISP	Internet Service Provider – a company or organisation that provides internet users with access.
BT	British Telecom – A company that provides both a telephone and an Internet service. See ISP.
DC	Direct Current – A type of electrical current in association with telephony.
BBC	British Broadcasting Corporation – a corporation specialising in television and radio broadcasting.
ITV	Independent TeleVision - a company specialising in television broadcasting.
Digital	A series of 1s and 0s used in such a form as to create strings of manageable data. See bps.
Battery	A device which stores power temporarily. Used ideally in portable units to power them. Sometimes rechargable.
Real-time	An application which requires a program to respond to stimuli within some small upper limit of response time (typically milli- or microseconds)