Final answer:
An IT system that uses touch screens, bar coded products, and credit card authorization during the sale is called a Point of Sales (POS) system. POS systems are commonly used in retail stores and restaurants to facilitate sales transactions. They enable the scanning of barcodes, processing credit card payments, and providing a user-friendly interface through touch screens.
Step-by-step explanation:
The IT system that uses touch screens, bar coded products, and credit card authorization during the sale is called a Point of Sales (POS) system.
POS systems are commonly used in retail stores and restaurants to facilitate sales transactions. They enable the scanning of barcodes, processing credit card payments, and providing a user-friendly interface through touch screens.
For example, when you buy groceries at a supermarket and the cashier scans each item's barcode, the POS system is used to record and calculate the total cost, and process the credit card payment.