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

CD-ROM (Compact Disc Read-Only Memory) is an optical storage device.

– Optical storage devices use lasers to read and write data on a storage medium (like a disc).
– 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.

Examples of optical storage devices include CD-ROM, CD-R, CD-RW, DVD, and Blu-ray. These discs store data as microscopic pits and lands that are read by a laser.

More similar MCQ questions for Exam preparation:-