Article:
http://edition.cnn.com/2008/BUSINESS/08/06/biometrics.airports/index.html
Review ?s
7. The advantages of nonimpact printers is that they are extremly fast, durable, and reliable. the only disadvantage may be that their ink costs a lot.
8.
9.Difference between sequential-access and random-access is that sequential-access memory can only get memory in the order it was recorded. As for random-access is used in everyday computing. Sequential memory is used for backing up data or other operations that up less time.
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