Computers have been really important part of our lives. Making our work easy and complete it in no time is the main advantage of computers. In the beginning computers were really expensive and were used by few people. Then with the increase and ease in technology computers became affordable and now-a-days everyone is using computers. Computers are proved as an evolution in our lives. Though you may be using computers but some of you may not be aware of some hidden facts. If you are using computers daily so here is one simple question for you. " Do you know why 'C' is the default hard dis drive and not 'A' or 'B'? Here is the answer : Hard disk drives became standard since 1980, Before Hard disk drives Floppy disk drivers were used as storage devices. Floppy Disk drives were initial storage devices. They came to existence in 1960's. They came in mainly 2 sizes, 5 1/4" and 3 1/2". These two floppy disk drives were labelled as Local Disk (A) and