flash drive
PSM (Portable Storage Media) is a portable device than can carry media and can be transported physically such as a flash memory card or SD card ETC.
The absolute best thing to get for storing and listening music is an iPod. They come in a variety of different types, storage capacities, colors and functions. They are the best product on the portable media storage device market.
portable storage medium
One example of a portable media player is an ipod.
It would be considered a storage device as you can give or receive information from the device.
True
It is portable. It provides or act as a back up
The CD and the DVD.
Optical disk
Portable media player was created in 2002.
There are a number of companies that allow one to rent portable storage units in the US. One can rent them from 'U-Haul', 'U-Pack Moving' and 'United Mayflower'.
They're technically the same thing, although some people use different terms to describe portable storage (i.e a USB stick) and permanent storage (hard drive).