The document discusses several optical storage devices including CD-Recordable, DVD-Recordable, CD-Rewriteable, DVD-Rewriteable, DVD-Random Access Memory, Blu-Ray Disc, CD-Read Only Memory, and DVD-Read Only Memory. It provides details on the typical storage capacity, advantages, and disadvantages of each type of disc format. The capacities range from 650 MB for CD-Recordable to 128 GB for Blu-Ray discs. Rewritable formats allow data to be overwritten, while read-only formats cannot be rewritten.

1. OPTICAL STORAGE DEVICES
BY: KELVIN DECELIS, DYLAN ELLUL AND ALEC FARRUGIA CACHIA

2. CD-RECORDABLE
• Usually used in DVRs to record audio, also used for
transfer of data between two systems
• Typically store up to 650 MB of data
Advantages:
• Cheap price
• High compatibility with older systems
• Are easy to find on the consumer market
Disadvantages
• Have a tiny capacity
• Are very fragile
• Cannot be rewritten to

3. DVD-RECORDABLE
• Usually used in DVRs to record video, also used for
transfer of data between two systems
• Typically store up to 4.7 GB of data
Advantages:
• Cheap price
• High compatibility with older systems
• Are easy to find on the consumer market
Disadvantages
• Have a small capacity
• Are very fragile
• Cannot be rewritten to

4. CD-REWRITEABLE
• Usually used in DVRs to record audio, also used for
transfer of data between two systems
• Typically store up to 700 MB of data
Advantages:
• Cheap price
• Can be rewritten to
• Are easy to find on the consumer market
Disadvantages
• Have a tiny capacity
• Are very fragile
• Are slowly becoming out of date

5. DVD-REWRITEABLE
• Usually used in DVRs to record audio, also used for
transfer of data between two systems
• Typically store up to 4.7 GB of data
Advantages:
• Cheap price
• Can be rewritten to
• Are easy to find on the consumer market
Disadvantages
• Have a small capacity
• Are very fragile
• Are slowly becoming out of date

6. DVD-RANDOM ACCESS MEMORY
• Usually used to store data long term, in archives, also used
in camcorders
• Typically store up to 4.7 GB of data in a single layered
disc, and 9.4 GB in a dual layered disc
Advantages:
• Long lifespan
• Can be rewritten to easily
• Small and Compact
Disadvantages
• Have a small capacity
• Are very hard to find on sale
• Not as compatible as other formats

7. BLU-RAY DISC
• Usually used to store and play high definition films, also
used to store games on consoles
• Typically store up to 25 GB of data in a single layered disc,
50 GB in a dual layered disc, 100 GB in a triple layered disc
and 128 GB in a BD-XL disc
Advantages:
• Supports 1080p video
• Have a massive capacity compared to other disc formats
• Easy to find on the consumer market
Disadvantages
• Are more expensive than other disc formats
• Require a proprietary Blu-Ray player
• Is not backward compatible with DVD players

8. CD-READ ONLY MEMORY
• Usually used to store and play high definition films, also
used to store games on consoles
• Typically store up to 25 GB of data in a single layered disc,
50 GB in a dual layered disc, 100 GB in a triple layered disc
and 128 GB in a BD-XL disc
Advantages:
• Supports 1080p video
• Have a massive capacity compared to other disc formats
• Easy to find on the consumer market
Disadvantages
• Are more expensive than other disc formats
• Require a proprietary Blu-Ray player

9. DVD-READ ONLY MEMORY
• Usually used to store and play high definition films, also
used to store games on consoles
• Typically store up to 25 GB of data in a single layered disc,
50 GB in a dual layered disc, 100 GB in a triple layered disc
and 128 GB in a BD-XL disc
Advantages:
• Supports 1080p video
• Have a massive capacity compared to other disc formats
• Easy to find on the consumer market
Disadvantages
• Are more expensive than other disc formats
• Require a proprietary Blu-Ray player