A computer is an electronic device, operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store for future use. The eclectric, electronic, and mechanical compenent, or hardware, include input devics, output devices, a system unit, storage devices and communications devices. An input device allows you to enter data or instructions into a computer. An output device conveys information to one or more people. The system unit is a case that contains the electronic components of a computer that are used to process data. A storage device records and retrieves items to and from storage media. A communication device enables a computer to send and receive data, instructions, and information to and from one or more computers.
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