📝 Timing Diagram of IN byte of 8085 Microprocessor

📖 From An Introduction To Microprocessor 8085 • 5. The 8085 Microprocessor • 8 questions available

Practice MCQs for Timing Diagram of IN byte of 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 size of the accumulator in the SAP‑III CPU?

🔹 A. 8‑bit

🔹 B. 16‑bit

🔹 C. 4‑bit

🔹 D. 32‑bit

💡 Difficulty: easy | ✅ Correct: A

Q2. Which flag is set when the accumulator holds a negative two’s‑complement value?

🔹 A. Zero flag

🔹 B. Sign flag

🔹 C. Carry flag

🔹 D. Parity flag

💡 Difficulty: medium | ✅ Correct: B

Q3. A programmer wants to store the 16‑bit address \(0x1234\) in the D‑E register pair before a jump. Which sequence of operations correctly loads the address?

🔹 A. Load D with \(0x12\) then E with \(0x34\)

🔹 B. Load E with \(0x12\) then D with \(0x34\)

🔹 C. Load H with \(0x12\) then L with \(0x34\)

🔹 D. Load B with \(0x12\) then C with \(0x34\)

💡 Difficulty: hard | ✅ Correct: A

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🔗 Related Topics

📝 Architecture of 8085 Microprocessor 📝 Register Section of 8085 Microprocessor 📝 Address Buffer and Address Data Buffer of 8085 Microprocessor 📝 Arithmetic and Logical Unit (ALU) of 8085 Microprocessor 📝 Timing and Control Unit of 8085 Microprocessor

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