A. Microprocessor cards
B. Processing unit contains memory for storing data
C. Processing unit for software handling
D. None of these
🧠 Explanation:
A smart card is a microprocessor card, used for secure transactions. Knowing this helps students and tech enthusiasts understand digital payment systems. Smart cards are key for studying technology or finance in school. Learning this helps with projects or exploring cybersecurity. It’s useful for tech classes, making it relevant for understanding modern banking. Knowing smart cards helps students grasp their role in secure transactions, ensuring better comprehension for academic work or general knowledge about technology’s impact on daily financial activities and security in digital systems.