COMPUTER HARDWARE COMPONENTS FUNCTIONS
EXTERNAL AND INTERNAL STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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CD
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DVD
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Blu-ray
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Magnetic tape
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Detailed explanation-1: -The main advantage of using tape drives is they are reliable storage devices as data stored on the tape drives can be read securely even after decades of storage. Because of this, many enterprises (or large businesses) use tape drives as their main backup system.
Detailed explanation-2: -Magnetic storage or magnetic recording is the storage of data on a magnetized medium. Magnetic storage uses different patterns of magnetisation in a magnetizable material to store data and is a form of non-volatile memory. The information is accessed using one or more read/write heads.
Detailed explanation-3: -Common types of backing storage devices are hard drives, SSD, external hard disk drives, optical media such as CD or DVD, and flash media such as thumb drives and memory sticks. Older computer systems also used floppy disks and magnetic tapes as backing storage.
Detailed explanation-4: -Ans : A hard disk is a storage device that uses a rotating magnetic disk to store data.