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What does a barcode reader emit to identify bar codes? A. electric pulse B. magnetic pulse sound D. E. light electromagnetic pulse
asked
Feb 12, 2020
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What does a barcode reader emit to identify bar codes?
A.
electric pulse
B. magnetic pulse
sound
D.
E.
light
electromagnetic pulse
Computers and Technology
middle-school
BlackWasp
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Answer:electromagnetic pulse
Step-by-step explanation:
MikaAK
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Feb 13, 2020
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MikaAK
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Answer: E light
Step-by-step explanation:
BALKANGraph
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Feb 17, 2020
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BALKANGraph
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