1. Optical Backing Storage Media B y : Benz^^ SaharatDechanupap 10GM

2. CDs And DVDs CDs tend to be used for large files (but smaller than 1Gb) It is very portable. Both can be used to store computer data. Flies could break easy. Single ‘burning data’ Saharat Dechanupap 10GM

3. CD ROM/DVD ROM Applications which require the prevention of deletion of data, accidental or otherwise. CDs used by software companies for Give out software programs and data; by Music companies for Giving out music albums and by book publishers for Files can break very easily. It can be written only once. Saharat Dechanupap 10GM

4. CD R/DVD R Uses Applications which require a single ‘burning’ of data, e.g. CDs It records music downloads from the Internet. DVDs – recording of film movies and television programs. It is Single Burning data. It can be written only once. Saharat Dechanupap 10GM

5. CD RW/DVD RW Applications which requires the updating of information and ability to record over old data. DVDs have between five and ten times the capacity of CDs. The files could break easily. Not suitable for music recording Saharat Dechanupap 10GM

6. DVD RAM Used in video recorders, camcorders and computer memory. Very fast access. Can be rewritten over 100,000 times. Less quality than DVD+RW and DVD-RW. DVD-RAM media have always been more expensive than other types of DVD. Saharat Dechanupap 10GM

7. HD DVD Used in video recorders and computer memory as well as games consoles – main rival to blue-ray. Can store high definition video and files It has a high quality of Audio. Region coding still unclear Saharat Dechanupap 10GM

8. Blu-ray Used in video recorders and computer memory as well as games consoles. Largest storage of optical media. Can hold 5 hours of HD Video. Expensive than HD DVD. When it compare to the format it vanquished. Saharat Dechanupap 10GM

9. Solid state backing storage Smallest form of memory, used as removable storage. It can be easily written to and updated. It is More robust than other forms of storage. More expensive than other forms. Saharat Dechanupap 10GM

10. Memory sticks/Pen drives Used to transport files and backup data from computer to computer. Can store up to many Gb . It is very small it can transport files very easy between computers Look nice but It is very expensive. Files can be easily accessed if they have been stolen. Saharat Dechanupap 10GM

11. Flash memory cards Used in digital cameras, palmtops, mobile phones, MP3 players. Its portable. Can contain a lot of files Less capacity. Expensive Saharat Dechanupap 10GM