maj6327 maj6327

28-11-2019
Computers and Technology

contestada

What does a barcode reader emit to identify bar codes?
A.
electric pulse
B. magnetic pulse
sound
D.
E.
light
electromagnetic pulse

Respuesta :

Bcornish271 Bcornish271

29-11-2019

Answer:electromagnetic pulse

Explanation:

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famousbless22 famousbless22

11-02-2020

Answer: E light

Explanation:

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