📝 Infrared

📖 From Data Communication & Networks • 7. Transmission Media • 60 questions available

Practice MCQs for Infrared. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-07

Easy Questions

Medium Questions

Hard Questions

Q1. What is IrDA?

🔹 A. International Radio Data Association

🔹 B. Infrared Data Association

🔹 C. Integrated Data Association

🔹 D. Infrared Device Alliance

💡 Difficulty: easy | ✅ Correct: B

Q2. What is the purpose of the Infrared Data Association (IrDA)?

🔹 A. To regulate radio frequencies

🔹 B. To establish standards for infrared communication between devices

🔹 C. To manufacture infrared devices

🔹 D. To promote microwave technology

💡 Difficulty: medium | ✅ Correct: B

Q3. Why does an infrared remote control not interfere with a neighbor's remote?

🔹 A. It uses different frequencies

🔹 B. Infrared waves cannot penetrate walls

🔹 C. It has low power

🔹 D. It uses encryption

💡 Difficulty: hard | ✅ Correct: B

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