📖 From An Introduction To Microprocessor 8085 • 7. Interrupt Instructions of 8085 • 25 questions available
Practice MCQs for Serial Input and Output Data Transfer in 8085 Microprocessor. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.
🔄 Last updated: 2026-07-30
Q1. What is the opcode mnemonic used to load the accumulator with immediate data in 8085?
💡 Difficulty: easy | ✅ Correct: A
Q2. In the program, what is the purpose of register B after the JNC instruction?
💡 Difficulty: medium | ✅ Correct: A
Q3. If the program needs to compute the 10’s complement instead of the 2’s complement for each byte, which instruction should replace ADI 01 H?
💡 Difficulty: hard | ✅ Correct: B
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