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UGC-NET | UGC NET CS 2014 Dec – III | Question 49

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Various storage devices used by an operating system can be arranged as follows in increasing order of accessing speed:
(A) Magnetic tapes → magnetic disks → optical disks → electronic disks → main memory → cache → registers
(B) Magnetic tapes → magnetic disks → electronic disks → optical disks → main memory → cache → registers
(C) Magnetic tapes → electronic disks → magnetic disks → optical disks → main memory → cache → registers
(D) Magnetic tapes → optical disks → magnetic disks → electronic disks → main memory → cache → registers


Answer: (D)

Explanation: Various storage devices used by an operating system can be arranged as follows in increasing order of accessing speed:
Magnetic tapes > optical disks > magnetic disks > electronic disks > main memory > cache > registers
So, option (D) is correct.

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Last Updated : 19 Nov, 2018
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