1. McDonald's uses various information systems to handle its large volume of daily transactions from over 32,500 restaurants globally.
2. Key information systems used by McDonald's include transaction processing systems to track orders and suppliers, management information systems to support decision making, and point-of-sale systems to speed up the ordering process.
3. Additional systems like the "Made for You" system, "Hyperactive Bob" security cameras, and new touchscreen ordering machines help McDonald's maintain efficiency, forecast demand, and enhance the customer experience.