Thursday, October 9, 2014

Bar code reader

Define - Bar code machine?
     A machine-readable code consisting of vertical bars of varying widths that are used to represent area. It is a device which scanned bar codes and using a special software, converts the bar into a number and shows the number on screen. In LAN's a method of communication in which the information-bearing signal is placeddirectly in digital form without modulation.

Tags: Bar code machine, Bar code reader, Material reader, General knowledge

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