A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
A. Light pen
B. Optical-wand
C. Plotter
D. All of the above
E. None of the above
Answer: Option B
Solution(By Examveda Team)
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as Optical-wand. A wand is a handheld optical reader that is used to read barcodes as well as typewritten, printed and OCR fonts. Wands are used to capture product information for retail and warehouse applications.This Question Belongs to Computer Fundamentals >> Computer Fundamental Miscellaneous
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