_____ represent numerical data by varying the thickness and pattern of vertical lines.
A) Radio frequency identification tags
B) Bar codes
C) Morse codes
D) Optical character recognition tags

Name: _____ represent numerical data by varying the thickness and pattern of vertical lines. A) Radio frequency identification tags B) Bar codes C) Morse codes D) Optical character recognition tags
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Question

_____ represent numerical data by varying the thickness and pattern of vertical lines.
A) ​Radio frequency identification tags 
B) ​Bar codes 
C) ​Morse codes 
D) ​Optical character recognition tags

Quizplus · Accepted Answer

Bar codes use varying thickness and pattern of vertical lines to represent numerical data.

_____ Represent Numerical Data by Varying the Thickness and Pattern