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📝 Compounding High and Low Resolution Packets Error Detecting Technique

📖 From Data Communication & Networks • 10. Error Detection and Correction • 11 questions available

Practice MCQs for Compounding High and Low Resolution Packets Error Detecting Technique. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-31

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📝 Sample Questions

Q1. According to the passage, how many XOR devices are initially mentioned?

🔹 A. 20

🔹 B. 21

🔹 C. 22

🔹 D. 23

💡 Difficulty: easy | ✅ Correct: B

Q2. What is the most direct consequence of reducing the number of XOR devices from 21 to 2 on the overall cost of the design?

🔹 A. Manufacturing cost drops substantially because fewer components are purchased

🔹 B. Cost remains unchanged because other components dominate

🔹 C. Cost slightly increases due to higher‑performance devices

🔹 D. Cost is irrelevant to device count

💡 Difficulty: medium | ✅ Correct: A

Q3. Design a compounding circuit that merges a 4‑bit high‑resolution packet with a 2‑bit low‑resolution packet using only two XOR devices. Which of the following configurations correctly implements the merge while preserving all original information?

🔹 A. Connect each high‑bit directly to the output and ignore the low‑bits

🔹 B. Use the two XOR devices to combine overlapping bits, then duplicate the result for all outputs

🔹 C. Force the two low‑bits to 0, route the four high‑bits through the XOR devices, and map the XOR outputs to the combined packet

🔹 D. Replace XOR devices with multiplexers and feed the low‑bits as select lines

💡 Difficulty: hard | ✅ Correct: C

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🔗 Related Topics

📝 Types of Errors in Data Link Layer 📝 Redundancy error detecting and correcting 📝 Error Detection versus Correction in Data Link Layer 📝 Redundancy hrough Coding 📝 Block Coding in Data Link Layer

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