4. Which storage device cannot be erased? A.A floppy disk B.Magnetic tape storage C.A CD-ROM D.All of the above
Option C Solution: A CD-ROM, is a pre-pressed optical compact disc which contains data. The name is an acronym which stands for Compact Disc Read-Only Memory. Computers can read CD-ROMs, but cannot write to CD-ROMs which are not writable or erasable.
