COMPUTER ARCHITECTURE
SECONDARY STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Most computer systems use at least one storage device.Explain one reason why a secondary storage device is needed in most computer systems.Answers:2
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To store the files / e.g. operating system even when the system is switched off.
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Secondary storage must be volatile.
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Secondary storage must be non-volatile.
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None of the above
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Explanation:
Detailed explanation-1: -The main function of secondary storage is to complement primary storage. Data that doesn’t need primary storage gets migrated to the secondary storage devices, in turn freeing up space and improving the performance of the primary storage devices.
Detailed explanation-2: -Non-volatile (secondary) memory refers to storage that is permanent, meaning it is not altered when a device is turned on or off. Non-volatile memory has no need to be wiped or refreshed and has a higher storage capacity than volatile memory.
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