August
2010
About the Disc Drive and USB Stick
A half century ago floppys are still a carrier medium. The PCs of this time do not still have a floppy disk any longer, and so there ar not in a position to scanned them. Plastic cards have 1.44 MB disk space. You could format them as required and to store new venues. Next was the CD-ROM.A half century ago, the notebooks had indeed already a classical CD-ROM drive, but it took some time to have the CD burner fitted as standard in laptops. Until then, there were many computer programmes 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 storage medium outside of such devices, it is rarely used, because not every computer has a SD card slot. Therefore these cameras always are supplied with wire to join the device directly to the PC. The external drive has massive storage space, the current ones have 1000 GB, or 1 TB in size. However, most need an external own power source, they are big and unwieldy. Better as this is the USB stick. All laptops have about one or more USB reader, the stick needs little power and is easy to carry in your bag. These three storage media are constantly refined and getting more and more memory space. The latest speed of development is such that the capacity every year doubles. Still not in price. A year ago you got an external hard disk with 500 GB for about 100 . Now they are twice as large for the same price.
