Commonly used auxiliary storage device are

1.	Commonly used auxiliary storage device are
A.	magnetic tape, magnetic tape and magnetic disk.
B.	magnetic core, magnetic taps and magnetic drum
C.	magnetic disk, semiconductor memory and magnetic drum.
D.	magnetic tape, monolithic storage and magnetic disk
Answer» B. magnetic core, magnetic taps and magnetic drum

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Commonly used auxiliary storage device are&nbsp;

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Commonly used auxiliary storage device are