Which of the following is not an advantage of magnetic disk storage?

A The access time of magnetic disk is much less than that of magnetic tape
B Disk storage is longer lasting than magnetic tape
C Disk storage is less expensive than tape storage
D All of the above
E None of the above

Correct Answer: None of the above

Data transfer is greater than magnetic tape. In this, the data can be updated when required. Its storage capacity is very high. It is a non-volatile storage device in which the stored data remains intact even after the power supply is turned off.

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Most disk drives have a single read/ write head for each disk surface. What is the advantage of suing multiple heads on each movable access arm?
Storage capacity of magnetic disk depends on

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