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(i). Data stored on magnetic disk is not human-readable, i.e., to verify the accuracy of data stored on the disk, a computer run has to be made, which reads the contents on the disk.
(ii). A disk is susceptible (prone) to dust, stroke & magnetic fields; which can distort (deform/disfigure) data on the disk causing disk-reading errors.
(iii). Require enough skills to manage the disks effectively.
Kavungya answered the question on April 2, 2019 at 07:58
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