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📝 Addressing Modes of SAP II Computers

📖 From An Introduction To Microprocessor 8085 • 3. Simple as Possible (SAP) - II • 12 questions available

Practice MCQs for Addressing Modes of SAP II Computers. 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 word size of the Intel 4004 microprocessor?

🔹 A. 4-bit

🔹 B. 8-bit

🔹 C. 16-bit

🔹 D. 32-bit

💡 Difficulty: easy | ✅ Correct: A

Q2. A programmer needs to load the constant value 25 into accumulator A. Which instruction correctly uses immediate addressing?

🔹 A. MOV A,25

🔹 B. LD A,[25]

🔹 C. MOV A,#25

🔹 D. ADD A,25

💡 Difficulty: medium | ✅ Correct: A

Q3. An array of five 8‑bit integers starts at address 0x4000. Which instruction sequence correctly computes the sum using indexed addressing?

🔹 A. LD R0,0x4000; ADD R0,R0; ...

🔹 B. LD R0,0x4000; LOOP: ADD R1,R0; INC R0; DEC COUNT; JNZ LOOP

🔹 C. LD R0,0x4000; LOOP: ADD ACC,R0; ADD R0,1; DEC N; JNZ LOOP

🔹 D. LD R0,0x4000; MOV R1,0; LOOP: ADD R1,[R0]; INC R0; DEC COUNT; JNZ LOOP; MOV ACC,R1

💡 Difficulty: hard | ✅ Correct: D

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🔗 Related Topics

📝 Architecture of SAP II Computer 📝 Instruction Set of SAP II Computers 📝 Machine Cycle and Instruction Cycle in SAP II Computers 📝 Instruction Types of SAP II Computers 📝 Flags of SAP II Computers

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