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📝 Address Bus in Microprocessor System

📖 From An Introduction To Microprocessor 8085 • 1. Evolution and History of Microprocessors • 7 questions available

Practice MCQs for Address Bus in Microprocessor System. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-30

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Easy Questions
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Medium Questions
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Hard Questions

📝 Sample Questions

Q1. A microcontroller has a 16‑bit address bus. What is the maximum number of distinct memory locations it can address?

🔹 A. 8 KB
🔹 B. 65536
🔹 C. 32 KB
🔹 D. 4 KB

💡 Difficulty: easy | ✅ Correct: B

Q2. Why does increasing the width of the address bus directly increase the addressable memory space?

🔹 A. It allows faster data transfer
🔹 B. It reduces power consumption
🔹 C. More bits mean more unique address combinations
🔹 D. It changes the CPU clock speed

💡 Difficulty: medium | ✅ Correct: D

Q3. A microprocessor with a 24‑bit address bus is being used in a system where two separate memory modules, each 8 MB, need to be mapped without overlap. Which of the following address ranges correctly maps both modules?

🔹 A. Module 1: 0x000000–0x7FFFFF, Module 2: 0x800000–0xFFFFFF
🔹 B. Module 1: 0x000000–0x3FFFFF, Module 2: 0x400000–0x7FFFFF
🔹 C. Module 1: 0x000000–0x00FFFF, Module 2: 0x010000–0x01FFFF
🔹 D. Module 1: 0x000000–0xFFFFFF, Module 2: 0x1000000–0x1FFFFFF

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

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