2. Has it got bigger or smaller? The original USB was a floppy disk and they were bigger than a USB. Now that the USB is here it is much easer to carry around.
3. Dose it use less energy than it used to? A USB dose not use any energy at all it’s just a memory stick. So no it dose not use less energy than it used to.
4. Has the design changed to make it easier to use? The design has changed to make it easier. The floppy disk was put into the computer taking it a while to load but the usb has changed to just plug in and its ready to go. The usb also comes in varies novelty models.
5. Who if any, invented it? A company called M-Systems created it. I’m not sure if it is true but apparently it is.
6. How dose it work? All you need to do is plug it in a USB port on a computer and it is ready to go put anything you want on it, music, videos, games and work, anything.