Discussion :: Inventions - Section 1 (Q.No.61)
When were bar code scanners invented?
Answer: Option C
The scanner reads the bar code label on something at a supermarket, and translates it into a number which the computer reads.
|Patil said: (Apr 7, 2016)|
|Who invented the bar code scanners?|
|Khushi Bansal said: (Jul 13, 2016)|
|Tell me the inventor of bar code scanners.|
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