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📝 Resistive Divider D/A converter in 8085 Microprocessor

📖 From An Introduction To Microprocessor 8085 • 13. Interfacing Data converters: A/D and D/A Converters • 24 questions available

Practice MCQs for Resistive Divider D/A converter in 8085 Microprocessor. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-30

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📝 Sample Questions

Q1. What is the hexadecimal address commonly used for the Mode Set Register of the 8257 DMA controller in examples?

🔹 A. 28H

🔹 B. 78H

🔹 C. 20H

🔹 D. 73H

💡 Difficulty: easy | ✅ Correct: A

Q2. Why must the terminal count be loaded with the least‑significant byte before the most‑significant byte?

🔹 A. Because the controller reads bytes in little‑endian order

🔹 B. To ensure correct overflow detection

🔹 C. To synchronize with the CPU clock

🔹 D. It is not required

💡 Difficulty: medium | ✅ Correct: A

Q3. Explain how the combination of mode word bits D6 and D5 determines the transfer type for channel 0.

🔹 A. 00 = verify, 01 = write, 10 = read, 11 = illegal

🔹 B. 00 = read, 01 = write, 10 = verify, 11 = illegal

🔹 C. 00 = write, 01 = read, 10 = verify, 11 = illegal

🔹 D. All combinations are valid for any type

💡 Difficulty: hard | ✅ Correct: C

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🔗 Related Topics

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