USB (Universal Serial Bus) is actually the name given to the hardware standard that allows for multipurpose input/output with corresponding devices. A USB drive, or USB Mass Storage Device, is one such device that uses USB to allow itself to store certain amounts of data (ex. 4GB of data).
A usb cable is not a device. A USB drive would be a Storage Device and still not be an Input or Output device. A USB keyboard would be an input device and a USB printer would be an output device.
Universal Serial Bus is what USB stands for. Flash Drive is a device the size of you thumb that plugs into a USB port. It can store data just like a tiny hard disk, and be easily carried around with you.
A usb cable is not a device. A USB drive would be a Storage Device and still not be an Input or Output device. A USB keyboard would be an input device and a USB printer would be an output device.
A USB flash memory drive is a removable hardware device
A flash device is a USB flash drive etc.
Neither, it is classified as a Storage Device.
I am assuming you mean the LED which flickers on your USB flash drive. Indicates the device is "in use". Typically when reading from or writing to the USB drive.
A USB drive allows a USB device to be plugged into the computer. Common items are cameras and webcams. You will rarely need to replace the USB drive on your computer, since it is not something that can easily be damaged.
Depends on the device...more info needed.
USB optical drive.
neither. a flash drive is a removeable storage device.
a flash drive