Examples of Optical storage

Question 1

What are examples of optical storage?

Answer 1

Blue ray disk (BD)
Compact disk (CD)
Digital Versatile Disk (DVD)

Question 2

What are DVD’s used for?

Answer 2

• Used to store games or standard definition movies

- A single DVD can store 4.7 GB of data

Question 3

What are CD’s used for?

Answer 3

• OG optical storage
• Can store around 700 MB
• Very cheap to produce

Question 4

What are blue ray disks used for?

Answer 4

• Used to store high definition videos or games.

- Can store around 25GB

Question 5

What different versions of optical storage are there?

Answer 5

• Write once (R) can only be written once (duh)
• Re-writable (RW) can be written and changed whenever needed, used for backups that may be updataed
• Read only memory (ROM) can only be read (the manufacturer writes the data first).