Commonly used auciliary storage device are

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

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Commonly used auciliary storage device are

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