device, an object or machine that has been invented for a particular purpos, operating system, programs that run on computers, open-source, freely available to use and modify, stylus, a pen-like tool for writing on touchscreens, hard drive, a disk on which a large amount of information can be stored and used by a computer or other piece of electronic equipment, keyboard, the set of keys on a computer or typewriter that you press in order to make it work, database, a large amount of information stored in a computer system, wireless, using a system of radio signals rather than wires to connect computers, mobile phones, etc. to each other, satellite communications, an artificial object in space used to send out television and radio signals around the earth's surface, to carry out / conduct an experiment, to do an experiment, nuclear power, the power produced when the nucleus (= central part) of an atom is divided or joined to another nucleus, remote control, a system for controlling something such as a machine or vehicle from a distance, by using electrical or radio signals, to break down, to stop working, external memory, a memory that uses cues from the environment to aid remembrance of ideas and sensations

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