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📝 Introduction to 8 Bit Microprocessor 8080A

📖 From An Introduction To Microprocessor 8085 • 1. Evolution and History of Microprocessors • 24 questions available

Practice MCQs for Introduction to 8 Bit Microprocessor 8080A. 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 does the acronym ROM stand for?

🔹 A. Read Only Memory

🔹 B. Random Operating Module

🔹 C. Readable Output Machine

🔹 D. Rapid Open Memory

💡 Difficulty: easy | ✅ Correct: A

Q2. Which sequence correctly represents the fetch‑decode‑execute cycle of the 8080A?

🔹 A. Read instruction → Decode → Execute

🔹 B. Decode → Read instruction → Execute

🔹 C. Execute → Decode → Read instruction

🔹 D. Read instruction → Execute → Decode

💡 Difficulty: medium | ✅ Correct: A

Q3. Compared to the later 8085, what is a notable architectural difference of the 8080A?

🔹 A. 8080A uses separate I/O instructions rather than memory‑mapped I/O

🔹 B. 8080A includes an integrated voltage regulator

🔹 C. 8080A has a built‑in DMA controller

🔹 D. 8080A operates with a 16‑bit data bus

💡 Difficulty: hard | ✅ Correct: A

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🔗 Related Topics

📝 Introduction to Microprocessors 📝 Evolution and History of Microprocessors 📝 Basic Microprocessor System 📝 Address Bus in Microprocessor System 📝 Data Bus in Microprocessor System

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