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Computer Fundamentals

Q1:

Which is not necessary when using bar codes in supermarkets?

A Point-of sale (POS) terminal

B Check digit on the bar code

C Price on the shelf

D Price on the goods

E None of the above

ANS:C - Price on the shelf

If we are using bar codes on goods sold, and it will have a Price on each goods thus there is no need to have a Price on the shelf.



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