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Which of the following statements is NOT correct?
A Bar codes are only used by retailing organisations.
B Optical mark recognition is used by some educational organisations to mark multiple choice examination
questions.
C Magnetic ink character recognition is used in the banking industry.
D The keyboard is an input device used by many different types of organisation.

 

 a

A

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[em11] 

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a

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thank

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dd

a

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我只是来打酱油的,

我只是来打酱油的我只是来打酱油的

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a

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A

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a

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