Computer

 The computer runs on a three step cycle namely input, process, and output. The data which we feed into the computer is input, the work CPU do is process and the result which the computer give is output.  Above all, in the beginning, the computer was a very large and heavy machine. The simple computer basically consists of CPU ( Central Processing Unit) , monitor, mouse & keyboard. These other parts include a printer, laser pen, scanner, etc. The computer is categorized into many different types. They are supercomputers, mainframes, personal computers (pc) & laptop, etc. The mobile phone is also a type of computer because it fulfills all the criteria of being a computer. The computer is a very important machine that has become a useful part of our life. Its uses completely depend upon you.