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📝 Digital Signals

📖 From Data Communication & Networks • 3. Physical Layer Introduction • 30 questions available

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

🔄 Last updated: 2026-06-28

9
Easy Questions
15
Medium Questions
6
Hard Questions

📝 Sample Questions

Q1. What is the bit rate of a digital signal?

🔹 A. The number of signal elements per second.
🔹 B. The number of bits sent in 1 second.
🔹 C. The time for one bit to be transmitted.
🔹 D. The distance one bit occupies on the medium.

💡 Difficulty: easy | ✅ Correct: B

Q2. What is the bit length of a signal?

🔹 A. The number of bits sent in 1 second.
🔹 B. The time for one bit to be transmitted.
🔹 C. The distance one bit occupies on the transmission medium.
🔹 D. The amplitude of the signal.

💡 Difficulty: medium | ✅ Correct: C

Q3. What is the bandwidth of a nonperiodic digital signal?

🔹 A. It is finite and well-defined.
🔹 B. It is infinite, but only a finite range is significant.
🔹 C. It is zero.
🔹 D. It is the same as the bit rate.

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

📝 Introduction to Data Communications📝 Network Concepts (Criteria & Topologies)📝 Network Types (LAN, WAN, Switching)📝 Standards and Administration📝 The Internet and its History
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