From the Floppy Disk to the USB Storage Stick
A half century ago floppy disks were still used as carrier medium. The actually PCs dont even have a floppy diskdrive anymore, and so its not possible to read-out the floppy disks. disc drive have a disk space about 1.44 MB. You could format them as required and to store new venues. Next was the CD-ROM.19 years ago, the standard PC had indeed already a standard CD-ROM drive, but it took some time to have the CD writer fitted as standard in PCs. Until then, there were many computer applications 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 latest storage medium
The Micro SD card has the benefit that it is smaller and is used as a storage medium in digital cameras, for example. As a disk away of such devices, it is rarely used, because not every laptop has a Micro SD card slot. Therefore these cameras always are supplied with cable to connect the device directly to the working station. The external drive has huge memory space, the current ones have 1000 GB, or 1 TB in size. However, most need an external own power source, they ar big and unwieldy. Better as this is the Flash sticks. All notebooks have one or more USB slots, the stick needs little power and is easy to carry in your bag. These 3 storage media are constantly refined and getting more and more storage space. The latest speed of development is such that the capacity every year doubles. However not in price. A year ago you got an external hard disc with 500 GB for about 100 . Nowadays they are twice as large for the same price.
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