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Optical disks are defined as "Write Once/Read Many" media. Some optical disk can be re-written. This is accomplished by burning the first layer smooth and writing the bit bubbles again. This can only happen a few times before the optical media is spent.
Magnetic disks are defined as "Write Many/Read Many" media. This is what is needed for the continued operation of a computer over any extended duration.
What else can I help you with?
What type of media is a hard disk?
optical
Why optical laser disk is preferred over hard disk for storage?
Applications where re-writeable optical laser disk would be preferred over hard disks for storage are: While storing the data in large amount, the optical disk are more preferred as, for storing the videos, photographs and various types of the images. This optical laser disk are used for transferring the information or data from one computer to another so we can easily modify or re-write the data at any time as, this disk are more convenient than hard disk. The optical laser disk are also helpful for distributing the software to the customers or users by using its large storing capacity features, as compared to hard disks.
Where does disk storage devices used in?
Disk storage devices are most commonly used in personal computers as a means to enhance memory. The most common are hard disk drives, optical disk drives, and even zip drives.
Is a hard disk magnetic or optical?
Magnetic storage is used on hard drives and floppy disks. Sectors of the disk are charged magnetically and are easily changed later. Optical storage uses a laser to read data. On a cd/dvd, the laser picks up tiny marks made starting in the center and rotating outward.
Is CD-r disk a hard disk?
No, it is an optical disc. A hard disk is defined as a device that stores data on spinning magnetic platters. Although a CD is 'hard' (rigid) as opposed to the flexible inside of a floppy disk, that does not classify it as a hard disk.
5 optical types of discs?
# Hard Disk Drive (HDD) # Floppy Disk # CD Disk # USB Disk # SD Card
What is a SATA hard disk and are they expensive?
SATA hard disks are basically hard drives or optical disk drives. The prices an SATA hard disk for them vary from $50 to $200. They can be found on a variety of websites online.
A high capacity input device that is read using low power laser is optical disk?
hard disk
What is the disk spelling used for optical media?
disc
Which of the following is not a permanent storage medium Hard disk Optical disk DVD or RAM?
DVD and RAM are not permanent storage devices.
Who invented the optical disk?
David Gregg was the inventor of the optical disk.
Another spelling of disk used for optical media?
disc
