📝 Parallel Transmission Mode for Digital Transmission

📖 From Data Communication & Networks • 4. Digital Transmission • 15 questions available

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

🔄 Last updated: 2026-07-31

Easy Questions

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📝 Sample Questions

Q1. What is the unit commonly used to express the data rate in parallel transmission?

🔹 A. baud

🔹 B. bits per second (bps)

🔹 C. symbols per second

🔹 D. packets per second

💡 Difficulty: easy | ✅ Correct: B

Q2. In the vehicle analogy, what does a ratio r = 4/3 represent?

🔹 A. One vehicle carries 3 persons, each person drives a vehicle

🔹 B. Each vehicle carries 4 persons while 3 persons drive

🔹 C. Four vehicles carry three persons total

🔹 D. Three vehicles carry four persons total

💡 Difficulty: medium | ✅ Correct: D

Q3. Suppose a system must not exceed a bandwidth that allows a maximum signal rate of 5 MBd. If the desired data rate is 20 Mbps, which minimum r value must the line coding achieve?

🔹 A. r = 2

🔹 B. r = 3

🔹 C. r = 4

🔹 D. r = 5

💡 Difficulty: hard | ✅ Correct: C

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🔗 Related Topics

📝 Line coding process of converting digital data to digital signals 📝 Line Coding Schemes converting digital data to digital signals 📝 Block Coding converting digital data to digital signals 📝 Scrambling converting digital data to digital signals 📝 Pulse Code Modulation(PCM) technique converting analog data to digital signals

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