-
A system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection.
-
A system for transmitting speech or computerized information over distances, usually by converting sounds into electric impulses that are sent through a network of wires and cables: some systems transmit by means of radio waves.
-
Radio is the technology of signaling and communicating using radio waves.
-
A device shaped like a box with a screen that receives electrical signals and changes them into moving images and sound
-
A computer is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program. It has the ability to accept data (input), process it, and then produce outputs.
-
Is a small portable radio telephone. The mobile phone can be used to communicate over long distances without wires. It works by communicating with a nearby base station.
-
Is a portable computer that uses a touchscreen as its primary input device. Most tablets are slightly smaller and weigh less than the average laptop.
