Computer

A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.

A computer is an electronic device which is used to perform operation on raw data as per instruction given by user. All the Plugged with computer system( e.g. keyboard, mouse, printer, CPU etc) is called hardware, the language , instruction, data are the called software.