COMPUTER ARCHITECTURE
SECONDARY STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Non-volatile storage / devices that are not directly accessible by the CPU
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Any non-volatile storage
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All memory technologies that use magnetism.
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Any memory technology using laser light
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A USB device
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Detailed explanation-1: -Auxiliary memory, also known as auxiliary storage, secondary storage, secondary memory or external memory, is a non-volatile memory (does not lose stored data when the device is powered down) that is not directly accessible by the CPU, because it is not accessed via the input/output channels (it is an external device).
Detailed explanation-2: -Secondary storage (also known as external memory or auxiliary storage) differs from primary storage in that it is not directly accessible by the CPU. The computer usually uses its input/output channels to access secondary storage and transfer the desired data to primary storage.
Detailed explanation-3: -Secondary memory is long-term and persistent data storage that’s not directly accessed by the CPU. A hard disk drive (HDD) is a non-volatile, electro-mechanical data storage hardware for persistent and long-term data storage.