Barcode Readers - an outline.

Question 1

What two types of Barcodes are there?

Answer 1

UPC-A (Universal Product code version ‘A’
and
Code 128

Question 2

What are ‘UPC-A’s’ used in?

Answer 2

They are used in retail and warehousing

Question 3

What are ‘Code 128’s’ used in?

Answer 3

They are used in transport and shipment tracking

Question 4

What is the main difference between ‘UPC-A’s’ and ‘Code 128’s’?

Answer 4

‘Code 128’s’ can represent numbers and letters wheras ‘UPC-A’s’ can only represent numeric digits