COMPUTER ARCHITECTURE
SECONDARY STORAGE DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Optical Disk
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Hard Drive
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Flash Memory
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Magnetic Tape
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Detailed explanation-1: -Hard disk drives (HDD) are the most popular data storage devices for home and business users. Hard drives are portable and affordable storage devices. They are available in different shapes and sizes with storage capacities ranging from megabytes to terabytes.
Detailed explanation-2: -To summarise, the advantages or magnetic tape backup are: Secure-Protection from flood, fire and theft. Safe-Protection from temperature and humidity. Cost effective – no man hours spent backing things up or expensive hardware to install.
Detailed explanation-3: -The new tape produced by these industry giants has a capacity of 580TB (terabytes), approximately 50 times greater than the capacity of current data cartridges. It holds a world record 317 Gbpsi (gigabytes per sq inch-6.45 sq cm).