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Answered 2009-08-28 14:04:39

DVD RoM

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What are the advantage of optical disk?

an optical disk has very high storing capacity.inexpensive.has a long life of at least 25 years.written by:"Monty Khanna"


What is an optical disk that holds 700 mb?

It's called a High-Capacity CD.


What are the advantage and limitation of optical disk optical disk?

Optical use a laser to read and write data .Optical disks have very large storage capacity but they are not fast as harddisk .There are major types of optical disk 1.CD-Rom 2 Worm 3.Eraser Advantage's optical disks has a very high storing capacity ,inexpensive has along life of at least 25 years .


High-density floppy disk has a storage capacity of?

The floppy disk which is commonly referred to as a high density floppy disk is a 3.5 inch disk. It has a storage capacity of 1.44 MB.


What is an optical disk?

an optical disk which stores data optically



Who invented the optical disk?

David Gregg was the inventor of the optical disk.


Is it true that a DVD-ROM is a high capacity optical disc?

Yes. Although there are more high capacity disks out there.


What kind of optical disk that can store 1GB?

A DVD optical disk can store in excess of 1 GB. A single layer, single sided DVD disc has a capacity of 4.7 GB, while a dual layer, single sided DVD disc has a capacity of 8.5 GB.


What is the difference between a CD and DVD?

CD is compact disk or optical disk where you have the storage capacity of 700 MB(80 minutes of audio)DVD is digital versatile disk where you have the storage capacity of 4.7 GB.(6 times of CD)





What is the difference between a magnetic disk and an optical disk?

A magnetic disk is a disk which stores information magnetically, and is read/written with a small magnetic head (e.g. a hard disk)An optical disk is a disk which stores information optically, usually as a series of pits and peaks, and is read/writMagnetic Storagea) Stores data in magnetic form & it doesn't use laser to read/write datab) It is affected by magnetic field.c) It has high storage capacity.d) Data accessing is high as compared to CD's and DVD's.e) Magnetic storage devices are ; Hard disk , Floppydisk, Magnetic tape etc.Optical Storagea) Stores data optically & uses laser to read/write.b) It is not affected by magnetic field.c) It has less storage than hard disk.d) Data accessing is high as compared to floppy.e) Optical storage devices are ; CD-ROM,CD-R,CD-RW, DVD etc.



What are the similarities between optical and magnetic disks?

What some similarities between optical disk and magnetic disk


What is optical disk?

An optical disk is one which is "read" and written using light (a laser), such as a compact disk (CD), digital video disk (DVD) or Blu-Ray.



What is a optical disk?

it is a CD(Compact Disk) and a DVD (Digital Video Disk)


What are the limitations of optical disk?

(a)- it is a read-only storage medium. Data once recorded, cannot be erased, and hence the optical disk cannot be reused. (b)- thd data access speed for optical disk is slower than magnetic disks; (c)- optical disk require a more complicated drive mechanism that magnetic disk.



Is a hard disk magnetic or optical?

A hard disk is magnetic.


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