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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Paper
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Optical
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Solid State
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Magnetic
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Detailed explanation-1: -hard disk, also called hard disk drive or hard drive, magnetic storage medium for a computer. Hard disks are flat circular plates made of aluminum or glass and coated with a magnetic material. Hard disks for personal computers can store terabytes (trillions of bytes) of information.
Detailed explanation-2: -A hard disk drive (HDD), hard disk, hard drive, or fixed disk[b] is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.
Detailed explanation-3: -Magnetic storage uses the two types of magnetic polarities to represent the binary information consisting of zeros and ones. Commonly used devices that use magnetic storage include magnetic tape, floppy disks and hard-disk drives.
Detailed explanation-4: -Secondary storage devices are generally separated into three types: magnetic storage devices, such as hard disk drives and tapes. optical storage devices, such as CDs, DVDs and Blu-ray discs. solid state storage devices, such as solid state drives (SSDs) and USB memory sticks.