1. MP3 and MP4

2. How has MP3 transformed music? Where: MP3 can be use every where when we transfer into mp3 player, but if you don’t have a MP3 player, the file can only be use in computer. Or otherwise you can burn into a CDs. When: MP3 player can be use anytime, for examples, when you sleep, eat or drive How: MP3 is easy to use. To play MP3 you just need a MP3 player software (e.g. iTunes) to play it or transfer to MP3 player (e.g. iPod).

3. WHAT HARDWARE & SOFTWARE DO YOU NEED TO USE MP3/MP4 PLAYERS? Software Mp3 Player software Anti-virus OS Web browser Convert software (if needed) Internet connection Hardware Fully equipped computer/ MP3 player Headphone/earphone /Speaker Flash drive (if needed)

4. How does it work? They digital compress the file. They take out the sound that human can’t hear very well. This will reduce the size The flash memory card store information as electricity They are not volatile, they retrain the music even the battery die and also the backup one The headphone then convert electric in to sound wave.

5. WHAT ARE THE ADVANTAGES OF MP3 players? Can access to music any time we want Can share music much easier Burn or store in to other devices Can make your own music Online promoting Lower the cost of destitution and production cost for company

6. W HAT ARE THE POSSIBLE DRAWBACKS ? File can be easily share so file can be share with out the production company know. The sound quality are not that good compare to CD Any one can created music now so there is a chance that people with copy other work People can sell the file illegally