A COMPUTER is an electronic device, operating under the command of instructions stored in tis own memory, that can accept data, process the data according to specified rules, produce results, and store the results for future use.
The electric, electronic, and mechanical components of a computer, or HARDWARE, include input devices, output devices, a system unit, storage devices, and communications devices.
1, An INPUT DEVICE allows you to enter data or instructions into a computer.
2, An OUPUT DEVICE conveys information to one or more people.
3, The SYSTEM UNIT is a case that contains the electronic components of a computer that are used to process data.
4, A STORAGE DEVICE records and/or retrieves items to and from STORAGE MEDIA.
5, A COMMUNICATIONS DEVICE enable a computer to send and receive data, instructions, and information to and from one or more computers.