A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as?

Question

A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as?

Light pen
Optical-wand
Plotter
All of the above
None of the above

LohaHridoy

9 views

2025-01-04 04:42

1 Answers

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AhmedNazir · Accepted Answer · 2022-09-01T13:21:41+06:00

Answer: Option 2

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.