In today's fast-moving world technology is revolutionizing with every passing day. Advancements in technology have changed the ways of working in every field. Sometimes, it gets difficult for a person to judge what is right for him. Therefore, understanding things is very important. People should aware of the novelties coming in technologies to keep pace with the moving world. If they don’t keep themselves up-to-date with the changes, it becomes difficult for them to survive in today’s competitive world.