?
The bar code which is used on all types of items, is read by a scanning device directly into the computer.
The bar code which is used on all types of items, is read by a scanning device directly into the computer.
What is the name of this scanning device?
Answer & Solution
Correct Answer:
Option
A
Laser scanners work the same way as pen-type readers except that they use a laser beam as the light source and typically employ either a reciprocating mirror or a rotating prism to scan the laser beam back and forth across the barcode.
Join the Discussion
Login to post a comment or share your explanation.
Login