Memory flashes, disks, cards or USB thumb drives are different names for the same kind of data storage devices that allow the safe, easy and quick transfer and transport of data between various USB appliances, usually computers or hard drives. USB thumb drives require no power supply to support their memory and they are totally re-writable. You don’t have to restart the computer to get access to the files on the memory card: USB thumb drives are plug and play devices. The name of USB thumb drives comes from the small size of the storage devices that are usually not larger than a human thumb.

They are usually compatible with any computer platforms, but for Windows users, only the 98, NT, 2000, XP and Vista versions can be used. There are security concerns related to the use of USB thumb drives. They can easily get infected with viruses and all sorts of malware because there is no control for the entry of such malicious programs on the storage devices if the computer they access is infected Then, lots of information can be uploaded on them without a system administrator noticing it. Reversal processes can be encountered too.

An IT technician can upload an anti-virus software on a certain infected computer from USB thumb drives without creating any risk for the system servers for instance. Normally, the operations are incredibly high speed, unless the running applications are very large or complex. The speed is not an issue for USB thumb drives when you are trying to read or write document files or photos. The functionality here totally depends on the length, the format of the files and the capacity of the USB drive. As for the re-writing options, there are millions of cycles involved so that there is no concern for USB thumb drives from this point of view.

Computer supply stores have the largest sections of USB thumb drives. The prices usually vary depending on the storage features, and the largest can cost as much as $ 200. 128 MB, 256 MB, 512 MB, 1 GB, 2 GB and 4 GB are the common sizes of USB thumb drives. You can find all sorts of gadgets with USB thumb drives incorporated and this is the case with keys, pens and various other give-aways used for promotional marketing. The functional principles of all the USB thumb drives are however the same, despite their different names.

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Computer Hardware & Accessories