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3. Simple as Possible (SAP) - II - An Introduction To Microprocessor 8085

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Practice MCQs for 3. Simple as Possible (SAP) - II. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-30

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📝 Topics in this Chapter

📝 Sample Questions

Q1. In which year was the first commercially available microprocessor, the Intel 4004, introduced?

🔹 A. 1970

🔹 B. 1971

🔹 C. 1972

🔹 D. 1973

💡 Difficulty: easy | ✅ Correct: B

Q2. Why did microprocessors replace large discrete‑component CPUs in the mid‑1970s?

🔹 A. They were cheaper to manufacture

🔹 B. They consumed less power

🔹 C. They allowed higher clock speeds

🔹 D. All of the above

💡 Difficulty: medium | ✅ Correct: A

Q3. Why is precise timing from the control unit essential for correct CPU operation?

🔹 A. It ensures the ALU receives operands at the right moment

🔹 B. It synchronizes cache refresh cycles

🔹 C. It prevents data corruption on the bus

🔹 D. It controls power‑down sequences

💡 Difficulty: hard | ✅ Correct: C

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