Tiny rings made of magnetic material that can be polarised to represen

1.	Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called
A.	Magnetic core
B.	Magnetic disk
C.	Card punch
D.	Floppy disk
E.	None of the above
Answer» B. Magnetic disk

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Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called

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