INPUTOUTPUT AND STORAGE DEVICES
STORAGE DEVICES HARD DISK SSD AND FLASH MEMORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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optical
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magnetic
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flash
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None of the above
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Detailed explanation-1: -Optical disks rely on a red or blue laser to record and read data. Most of today’s optical disks are flat, circular and 12 centimeters in diameter. Data is stored on the disk in the form of microscopic data pits and lands. The pits are etched into a reflective layer of recording material.
Detailed explanation-2: -Six categories of optical media are available to meet most storage requirements: CD-ROM, DVD-ROM, DVD-RAM, recordable media, write-once read-many (WORM) optical cartridges, and erasable optical cartridges. CD-ROM is a read-only format that is optimized for read performance.
Detailed explanation-3: -CD-ROM devices. DVD devices. Directly attached optical media library devices. LAN-attached optical media library devices. Virtual optical devices. RDX. Flash drives.