Usb flash drive
USB is a short form of Universal Standard Bus, which is a typical port that is used along with computer in order to connect various accessories to computer. USB Flash Drives are devices of data storage based on flash memory that are incorporated in a USB interface. USB Flash Drive is usually, light in weight, small size, and rewritable as well as removable device. The benefits of USB Flash drive are often more potential as compared to other types of storage devices that are portable, especially floppy diskette.
USB Flash drives are more faster, compact, stores large amount of data and very reliable owing to less moving parts as well durable configuration. The USB Flash drives have increasingly become associated with the computer for shipping the data and have replaced the traditional floppy disk. The USB ports are a common feature of almost all the mainstream personal computer as well as laptops. The USB Flash Drive is supported by the modern and advanced operating systems as such Linux, Windows, UNIX and Mac OS X. The storage capacity of USB Flash Drive is less as compared to the external hard drive. However, they offer more advantages owing to its compact and durable nature.
Features of USB Flash Drive:
USB Flash Drive usually is used for storing and transporting considerably large quantities of data. These are small and compact and hence, can be carried even in a pocket. It comprises of small sized printed circuit board, generally wrapped in a metal or plastic casing in order to make the drive sturdier so as to carry in a pocket.
The connector of USB only comes out from this covering, which is typically covered with the help of removable cap. Majority of flash drives employ a typical type A USB connection, which enables them to get directly connected to the port of a PC. In order to access the files that are stored in flash drive, it has to be connected with the computer by plugging into host controller device of USB, which is built inside the computer or else to a USB hub. The flash drives are in active state, once they get plugged in USB connection. The most common functions of this device are observed with respect to :
Strengths and Weakness Analysis:
USB Flash Drives are simply imper viable to scratches, dust and other such troubles that were experienced in other portable devices as such CDs and floppies. Their solid configuration saves them from any casual mistreatment. A potential drawback of compact size is that they are very simple to get misplaced, or left behind. They are cheap when the amount of storage is compared with huge amount of floppies required to save that much quantity of data. Few of the flash drives even sustain the data after getting inundated in water. The weakness of flash device like other such storage devices is that they can support a restricted number of cycles with respect to erase and writing of files.
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