A Pen Drive is a compact, removable storage device just like a floppy disk or a CD. Instead of the floppy device or the CD ROM that are used for reading a floppy disk and CD respectively, a pen drive can be plugged into the USB (Universal Serial Bus) Port of a computer. The USB connectivity makes the pen drive easier to use and data can be transferred faster to and from the pen drive.
Different Manufacturers have named Pen Drives they manufacture differently. Today, a pen drive goes by the names of thumb drive, USB flash drive, Jump Drive, Traveler`s Drive, USB key drive, USB memory stick and many others!
These pen drives are small, inexpensive, almost ubiquitous and extremely handy. They are available largely in the range of 1 to 8 GB which makes them of great use and has made floppy disks and CDs look like useless storage mediums.
The credit of inventing the pen drives goes to IBM. It was invented in 1988 to replace the floppy disks, but IBM never patented it. IBM contracted in M-Systems to manufacture the Pen Drive and the patent is now owned by them.
The pen drive is a modern floppy disk. The main difference is that a floppy disk has moving parts...