WHY DRIVE C? NOT A OR B?


Have you ever wondered why the main drive in Windows is always labeled as C: and not A: or B:? This is a question that has puzzled many people, and the answer lies in the early days of computing.

Back in the 1970s and 1980s, floppy disk drives were the primary means of data storage for personal computers. Hard disks were big and expensive back then so they were not so popular. Those floppy disk drives were labeled A: and B: in the order in which they were physically connected to the computer. This left the letter C: available for the first hard disk drive that was added to the computer.

As computers became more advanced, the use of floppy disks declined, and hard disk drives became the primary means of data storage. However, the lettering convention of A: and B: for floppy drives remained, while the letter C: was used for the primary hard disk drive.

This convention has been maintained to this day, and while it may seem like an odd choice, it has become a standard that is unlikely to change anytime soon. In fact, some older computer programs may still require the C: drive designation, so it is important to keep this convention in mind when managing your computer's storage.

While it may seem like a minor detail, understanding the history behind the C: drive designation can give you a deeper appreciation for the evolution of computing and the role that early technology played in shaping the conventions that we still use today.

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Naim Zulkipli
27 February 2023

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