📝 BCD to Binary Conversion in 8085 Microprocessor

Q1. An engineer needs to store the decimal value 7 in a single BCD byte before converting it to binary for arithmetic. Which binary pattern correctly represents this BCD digit after conversion?

💡 Difficulty: easy | ✅ Correct: A

Q2. A microcontroller receives the two‑digit BCD number 0x27 (decimal 27) and must convert it to binary. Which 8‑bit binary value results from the conversion?

💡 Difficulty: medium | ✅ Correct: A

Q3. In the double‑dabble algorithm used for binary‑to‑BCD conversion, why is the addition of 6 performed on each 4‑bit group that is ≥5?

💡 Difficulty: hard | ✅ Correct: A