Information on a hard disk is usually backed-up using a?
A. CD-ROM
B. Magnetic tape
C. Floppy disk
D. All of the above
Answer: Option A
Solution (By Examveda Team)
Information on a hard disk is usually backed-up using a CD-ROM.This Question Belongs to Computer Fundamentals >> Computer Fundamental Miscellaneous
i think ans is wrong,but which one is correct ,anyone pls clear
But Floppy disk and magnatic tape both works as a memory. So why the answer is only CD-ROM