Question

Which of the following is used as a primary storage device? A) Magnetic drum B) Hard Disks C) Floppy D) All of above

Answer 1

Answer:

find the reminder when f (x)=x power 4 -3x power2 + ,4 is divided by g (x)=1-2x and verify the result by actual division

Answer 2

A)magnetic drum

In some cases, magnetic drum memory was also used for secondarystorage. It is basically a metal cylinder that is coated with a magnetic iron-oxide material where the changingmagnetic polarities are used to store data on its surface, similar to how modern disk drives use magnetism to store and retrieve data.