A. 97
B. 99
C. 39
D. 47
🧠 Explanation:
The binary number 1100011 converts to 99 in decimal (1×64 + 1×32 + 0×16 + 0×8 + 0×4 + 1×2 + 1×1). For computer science students, this highlights binary systems, making it a key topic for studying number systems, computing, and data representation.