August 4, 2010
The History from the Floppy Drive to the USB
14 years ago floppydiscs were still used as a storrage medium. The PCs of this time dont even have a floppy discdrive anymore, and are so not in a position to scanned them. A disk space of 1.44 MB was the maximum of the floppy. You could format them as required and to store new venues. Next was the CD-ROM.A half century ago, the standard PCs had indeed already a standard CD-ROM drive, but it took some time to have the CD writer fitted as standard in working stations. Until then, there were many programs to buy on CDs, but data storage was not possible on them. Quite at the same time then the USB sticks, SD cards and external hard drives came to the market place.
The data storage medium of today
The SD card has the benefit that it is smaller and is used as a storage medium in digital cameras, for example. As a disk outer of such devices, it is rarely used, because not every working station has a SD cart reader. Therefore these cameras always are supplied with cable to connect the device directly to the computer. The external drive has large memory space, the current ones have 1000 GB, or 1 TB in size. However, most need an external own power source, they are heavy and unwieldy. Better as this is the Memstick. All notebooks have about one or more USB reader, the stick needs little power and is easy to take in your bag. These 3 storage media are always refined and getting more and more storage space. The current speed of development is such that the capacity every year doubles. Still not in price. A year ago you got an external discdrive with 500 GB for about 100 . Today they are twice as large for the same price.
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