Question

is a unique combination of vertical bars that represents product information ​

Answer 1

Answer:

Bar graph represents the data using rectangular bars. The length of the rectangular bar is proportional to the values that they represent. The bars can be plotted vertically or horizontally.

The above graph is an example of a bar graph with vertical bars. The number of TV sets produced daily is represented by each rectangular bar. For example, 100 TV sets are produced on Friday.

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Answer 2

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Bar-code.

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A machine-readable code in the form of numbers and a pattern of parallel lines of varying widths, printed on a commodity and used especially for stock control.