alleryStart learning →Which drive reads data by shining a laser on a disc and watching the reflection?
AFloppy disk drive
BOptical disc drive
CMagnetic tape drive
DHard disk drive
Answer & Solution
Correct answer: B. Optical disc drive
An optical drive lights up the disc surface with a laser and senses how it reflects.
Keep practising Computer Memory
Browse all Computer Memory questions for Olympiad (Class 5), or explore more Computer Science topics.
Related questions
Why is offline storage handy for moving files between computers?Spare RAM that programs do not need is borrowed by the operating system forAt start-up, the boot program loads a larger program intoTertiary access takes 5 to 60 seconds. Secondary access takes aboutWhich order runs fastest to slowest?In a two-level cache, which level is the smallest and fastest?Processor registers are located inside theWhich kind of software do standard computers mainly keep in ROM?