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CDs and DVDs both use a storage technique called optical storage. The data is stored on the discs by burning microscopic holes on the exterior of the disc, invisible to the naked eye. CD and DVD readers then perceive these holes as data and displays it to the user or computer. This is why you "Burn" something onto a CD/DVD.
What else can I help you with?
How do data represent on an optical disc?
All digital data is represented as one's and zero's. The actual physical representation of data on an optical disc - assuming you are talking about CD's - is called pits and lands.
What is laser used in CD and DVD?
Laser light is used in CDs and DVDs to read and write data. A laser beam is used to either create pits on a disc's surface (writing data) or to detect the patterns of pits (reading data) as the disc spins. The laser's focused beam allows for precise and fast data access on optical media.
Where does the compact disk come from?
The compact disk, or CD, was developed by Sony and Philips in the 1980s as a digital optical disc used to store and play audio and data. It was created as a successor to the larger vinyl records and cassette tapes, offering improved sound quality and durability. Today, CDs are still used for music, software, and data storage, although they have largely been replaced by digital formats.
What type of storage stores data as microscopic light and dark spots on the disc surface?
This type of storage is called optical storage. Data is stored by encoding information as microscopic light and dark spots on the disc surface, which can be read by a laser beam in devices such as CD-ROMs, DVDs, and Blu-ray discs.
What is a cloud in the world of computing?
A network of computers that store data for individual users
What do hard drives do?
They store digital information in a relativly permenent form. Some hard drives called 'Hard Disc Drives' store data magnetically on a metal disc. Newer hard drives called 'Solid State Drives' store data electronically on flash memory.
Can you copy blu ray disc onto DVD?
A Bluray disc stores five times more data than a DVD. Therefore, a DVD will not have the capacity to store the contents of a Bluray disc.
Why does networks use magnetic disc to store data?
Nobody made up something better yet.
Is a CD-r a input or output?
cd-r is a rewriteable compact disc to store data. operating system installs, programs and other data a -r is a single use disc a -rw is a multi use
How can many data can be store in CD?
as much as it says on it ANOTHER OPINION : Compact Disc (CD) can hold 740 MB. Digital Video Disc (DVD) can hold 4.7 GB. Usually says on the disc itself.
What is the data disc in pearl for?
The data disc is for evolving Porygon2 into PorygonZ. You must trade the Porygon2 while holding the Data Disc...
What is the risk of keeping a data disc?
What is the risk of keeping a data disc
Is it possible to store data without hard disc?
Yes. Data can be stored to removable media such as flash drives, Floppy Disks, Cd's and DVD's.
Why might a loudspeaker damage a floppy disc but not a?
A floppy disc use a magnetic pattern to store data, and loudspeakers are usually based around a (strong) magnet. The magnet can upset the magnetic pattern, making the data unreadable.
What forms of media can be stored on a DVD 9 format disc?
One can store a lot of things on an DVD 9 format disc. For exemple one could store data files or pictures on this type of disc, but most of the time one uses DVD 9 format discs to store video files.
Is a CD-rom used to store data?
CD-rom stands for Compact Disc Read Only Memory. This type of CD is used to store data, and cannot be changed once it has been written to.
What is the maximum storage capacity of a bluray disk?
20 to 50 gb(gigabytes) A single layer blu ray disc store 25GB of data and dual layer can store up to 50GB of data
