Computer Science
NULL
Medium
Question
Computer-readable codes made of lines of varying width or length are known as ________?
A
an ASCII code
B
a magnetic tape
C
an OCR scanner
D
a bar code
✓ Official correct answer
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A
an ASCII code
No member explanations yet for this option.
B
a magnetic tape
No member explanations yet for this option.
C
an OCR scanner
No member explanations yet for this option.
D
a bar code
No member explanations yet for this option.
Explanation
Those patterns are a bar code, scanned to identify products or items.
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