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An investigation into an optical mark reader

 

作者: RichardLee,  

 

期刊: Electronics Education  (IET Available online 1990)
卷期: Volume 1990, issue 3  

页码: 18-19

 

年代: 1990

 

DOI:10.1049/ee.1990.0046

 

出版商: IEE

 

数据来源: IET

 

摘要:

Examining boards and large institutes can afford to purchase optical mark readers to analyse and mark multiple-choice answer sheets, but is there a cheaper alternative to these expensive commercially produced devices? This was the problem that I decided to investigate for my Electronic Systems A-level project.

 

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