📝 SAP-III Timing Diagram and Registers of 8085 Microprocessor

Q1. A programmer needs to store the 16‑bit address 0x3A7F in a register pair for later indirect addressing. Which register pair should be used?

💡 Difficulty: easy | ✅ Correct: C

Q2. The accumulator holds 0xFF and the B register contains 0x02. After executing an ADD B instruction, which flag(s) will be set?

💡 Difficulty: medium | ✅ Correct: B

Q3. Consider the following sequence: MVI A,0x80 ; INR A ; DCR A ; CMP B where B = 0x80. After the CMP, which combination of flag states is correct?

💡 Difficulty: hard | ✅ Correct: B