The process of the including file when we must install media player 10 from pc.When the setup is finish the file that we want to put like pictures, songs, videos, or other files.Windows Media Player syncs all selected audio, video, recorded TV and image files to the portable media center, including album art for CDs. It maybe convert the file format that not compatible with the media player.The file from the PC will be saved to hard disk and be processing by the each components that attached at the breadboard.The file from PC can be sent through the USB 2.0 cable and the speed of file transfer depend on the size of file.When the process is finish all the file transfer will be placed at the file folder that be programme on the hard disk.Thats all.

source : http://electronics.howstuffworks.com/pmc1.htm