Introduction

Move your eyes around you and you will find electronics everywhere, Refrigerator, laptops, TV, CD players, washing machines, Microwaves etc. We cannot think of our life without the electronic gadgets now. It covers a wide range of applications which make our life easier and enjoyable. Similarly, look at the role of communication in our lives and how fast the communication systems and networks have grown in past few years. Can we think of living without mobile phones, Facebook, internet and entertainment transmissions? From necessities to comfort and to entertainment, Electronics and Communication rules the world.

Electronics has a major role in improving productivity in industries like oil, energy, agriculture and so many other important sectors of economy. In steel, petroleum and chemical industries it is the electronic devices that direct, control and test production processes. Health care industry depends on electronic equipments to perform chemical tests and to check body functions. The safety in transportation, factories and mines and in homes relies heavily on electronics.