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The disk platters mounted on a spindle and the heads mounted on a disk arm are together known as ___________

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The disk platters mounted on a spindle and the heads mounted on a disk arm are together known as ___________ (a) Read-disk assemblies (b) Head–disk assemblies (c) Head-write assemblies (d) Read-read assemblies I had been asked this question during an interview. My question is taken from Magnetic Disk and Flash Storage in portion Storage and File Structures of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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Right choice is (b) Head–disk assemblies Explanation: Each side of a platter of a disk has a read–write head that moves across the platter to access different tracks.

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