The dawn of the new age - The Computer Era - glows before us with the promise of new and improved ways of thinking, living and working. The amount of information in the world is said to be doubling every six to seven years. The only way to keep up with these increased amounts of data and information is to understand how computers work and the ability to control them for a particular purpose.
A computer can be defined as an electronic data processing device, capable of accepting data, applying a prescribed set of instructions to the data, and displaying in some manner or form. Any configuration of the devices that are interconnected and are programmed to operate as a computer system. The computer is said to have literally revolutionised the way one person does his job or a whole multinational organisation operates their businesses. Together with this reason and many more, computers are considered more than just an essential piece of fancy equipment. Whether or not people know anything about it, they invoke computers in every day lives when they make a bank withdrawal, buy groceries at the supermarket and even when they drive a car. Today, millions of people are purchasing fully functional personal computers for individual reasons. In their homes, people use various forms of computer technology for writing memos, for keeping track of bank accounts, for communication with friends and associates, for accessing knowledge, for purchasing goods and many other countless tasks.
It is a binding fact that are computers are very productive, efficient and make our personal and professional lives more rewarding. These 'magical' machines can do just about anything imaginable, moreover they really excel in certain areas. Below is the list of some of the principal applications of the computer systems: q Businesses. Businessmen make bar graphs and pie charts from tedious figures