Question: According to the lecture, how does a hard disk's read / write head function? By directly accessing stored data in flash memory By using a

According to the lecture, how does a hard disk's read/write head function?
By directly accessing stored data in flash memory
By using a laser to retrieve data from optical disks
By scanning a spinning disk to record or access data using electromagnetic charges
By compressing data before writing to the disk
According to the lecture, how does a hard disk's

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