Barcodes Flashcards
1
Q
What are barcodes?
A
Barcodes are an example of encryption because they are a message with a hidden meaning that can only be understood using a laser to read them
2
Q
What DO barcodes store?
A
- Product ID
- Weight
- Manufacturer
- Country Of Origin
3
Q
What DON’T barcodes store?
A
• Price
4
Q
What is the last number of a barcode called?
A
A Check Digit
5
Q
What’s a Check Digit used for?
A
It checks if the barcode is damaged
