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📝 Design of Program Counter of Simple as Possible (SAP) I Computer

📖 From An Introduction To Microprocessor 8085 • 2. Simple as Possible (SAP) - I • 5 questions available

Practice MCQs for Design of Program Counter of Simple as Possible (SAP) I Computer. 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 primary purpose of a program counter (PC) in a CPU?

🔹 A. Store operand data
🔹 B. Hold address of next instruction
🔹 C. Perform arithmetic operations
🔹 D. Generate clock signals

💡 Difficulty: easy | ✅ Correct: B

Q2. Why does the program counter need to be incremented after each instruction fetch?

🔹 A. To reset the CPU, to prepare for interrupt handling, to point to the next sequential instruction, to store the result of the instruction
🔹 B. To point to the next sequential instruction
🔹 C. To reset the CPU
🔹 D. To prepare for interrupt handling

💡 Difficulty: medium | ✅ Correct: C

Q3. A microcontroller uses a 16‑bit PC that wraps around after reaching its maximum value. If the PC currently holds 0xFFFE and two sequential instructions are executed, what will be the PC value after the second fetch?

🔹 A. 0
🔹 B. 1
🔹 C. 65535
🔹 D. 65533

💡 Difficulty: hard | ✅ Correct: A

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🔗 Related Topics

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