The front or leading part of a driving mechanism, such as the part of a computer hard drive that reads or writes data.
Compound of 'drive' (Old English 'drifan') and 'head' (Old English 'hēafod'). In computing, 'head' refers to the component that accesses information, making 'drivehead' a natural pairing.
Your computer's hard drive has a 'drivehead' that works like a tiny record player needle, moving incredibly fast (thousands of times per second!) to read the magnetic information on spinning disks.
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