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Which device stores data on rotating magnetic platters?

Answer and explanation

Correct answer: Hard disk drive

A hard disk drive, or HDD, records data magnetically on one or more rotating platters, while read/write heads move across their surfaces. Therefore option D is correct. An SSD stores data in flash memory chips and has no rotating platters. ROM is a semiconductor memory used for retained instructions, and an optical disc stores data using laser-readable marks rather than magnetic platters. These physical differences are important when identifying storage devices.

Related tags

IctHddStorageMagnetic-DiskIct (Information & Communication Technology) Skills IIct Information Communication Technology Skills IArtificial IntelligenceClass 9 Mcq

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