Nowadays we hear a lot about computers. People speak about computer literacy, computer courses, computer classes, and computing.A computer is a machine designed to do a lot of difficult work for us.
It can gather information, put them in order, and give them to us when we need them. The computer is a data processing device.
It acts upon data coming to it in many shapes and forms. It deals with the techniques of processing, recording, storing, and retrieving information. A few extra types of equipment coupled to the computer would help us to operate audio and video disks and listen to music and watch films.When you use a computer you have to program it according to your requirements.
Such programming is essential to analyze data or even to guide a spacecraft to the moon as well. In the future, we will require computers in most of our daily work.