I WONDER - How Does A Laser Beam Work To Read Data?

The video tutorial explains the use of laser technology in DVD players and barcode scanners. In DVD players, lasers read data stored on discs, enabling playback of movies and music. Barcode scanners use lasers to read product barcodes, aiding businesses in inventory management. The laser beam in a barcode scanner focuses on the barcode, reflecting back to a sensor that reads the code.

What role do lasers play in inventory management for stores and businesses?

Describe the process of how a barcode scanner reads a barcode.