Answer:
Explanation:
Two items on the magnetic strip are, Credit Card info and Balance
Two ways supermarket may check are the PIN pad you are using to pay or their reciept system.
Answer:
Bitmap images can contain any number of colors but there are four main categories: Line-art. These are images that only contain two colors, usually black and white.
Global source and binary.
Support for mixed-script computing environments.
Improved cross-platform data interoperability through a common codeset.
Space-efficient encoding scheme for data storage.
Reduced time-to-market for localized products.
Expanded market access.