What is the primary function of a barcode scanner?

A. Play audio files

B. Scan and decode barcode information

C. Print documents

D. Connect to wireless networks

Correct Answer is :

B. Scan and decode barcode information

Explanation

A barcode scanner is a device used to capture and read barcode information from printed labels or tags. It converts the visual information encoded in the barcode into digital data that can be processed by a computer or other systems.