Q935
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
A.
Light pen
B.
Optical-wand
AnswerC.
Plotter
D.
All of the above
E.
None of the above
Answer: Option B
Solution
Answer: Option B
Solution:
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.