FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Thus, the CD is the most fragile because it can easily be scratched or snapped.

Detailed explanation-2: -An optical disc drive is a device in a computer that can read CD-ROMs or other optical discs, such as DVDs and Blu-ray discs. Optical storage differs from other data storage techniques that make use of other technologies such as magnetism, such as floppy disks and hard disks, or semiconductors, such as flash memory.

Detailed explanation-3: -Hard disks, zip disks, and floppy disks are common examples of magnetic disks. The number of bits stored on each track does not change by using the simplest constant angular velocity. Optical disk: An optical disk is any computer disk that uses optical storage techniques and technology to read and write data.