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read-write head
read-write head (plural read-write heads)


noun 
Definition:
 
device that reads and writes data: a magnetic device that can both read data from and write data to a magnetic medium such as a computer floppy or hard disk
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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