Which one of the following is an optical storage device ?
[amp_mcq option1=”Floppy disk” option2=”Hard disk” option3=”CD-ROM” option4=”Magnetic tape” correct=”option3″]
This question was previously asked in
UPSC CISF-AC-EXE – 2018
– Floppy disks and hard disks are magnetic storage devices, using magnetic properties to store data on a surface.
– Magnetic tape is also a magnetic storage medium, typically used for backup and archiving.