Codes consisting of bars or lines of varying widths or lenghts that are computer readable are known as__________________?
Correct answer: D. A bar code
- A. An ASCII code
- B. A magnetic tape
- C. An OCR scanner
- D. A bar code
Explanation
A bar code stores information as a pattern of bars or lines that an optical reader can scan. ASCII is a character-encoding standard, while OCR refers to recognizing printed text rather than this bar pattern.
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