U) a system of communication that uses computers to store spoken messages T) a meeting between people that are a long distance apart using cameras and display screens connected to a network to allow the people to see and hear each other S) a cable made from strands of glass that is used for carrying information signals on a beam of light R) take something to a particular destination or arrange something for the delivery, especially by post Q) cause something to pass on from one person or place to another by means of communication It is often used with radio frequency and video signals P) a type of shielded cable for carrying signals. O) a connection between two points for transmitting and receiving signals

N) an installation on Earth used for sending and receiving signals to or from a satellite M) the equipment at the remote end of a video conferencing system

L) the equipment at the closest end of a video conferencing system K) a display screen feature that has a video picture displayed inside another video picture J) a type of signal that can take any value between a maximum and minimum

H) the process of sending a signal to, or receiving a signal from, a satellite orbiting the Earth G) a signal that can only have one of two values representing on or off It was widely used in early electromechanical computersį) the process of sending a high frequency signal known as microwave

It moves continually round the earth or around another planetĮ) a switching device, that being under voltage loops and disconnects one or more electric circuits. Match each word from column A (1-20) with its partner from column B (a-u) to make a computing term definition from Basic English for Computing Unit 12ī) a form of communication over a network that uses video cameras so that the people taking part can see and hear each otherĬ) an installation for receiving and transmitting microwave signalsĭ) an object which has been sent into space in order to collect information or to be part of a communications system.

Move from column to column in word