Computer Applications Technology

4.2 One of the information posters displayed the term QWERTY. What hardware device does this refer to? (1) 4.3 A portable hard drive was connected to a port that uses plug-and-play. 4.3.1 Name the type of port to which the hard drive was most likely connected. (1) 4.3.2 What is the general benefit of using plug-and-play technology? (1) ................
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