K Kirti 🎓 Tutor II ⭐ 10.45K Points 📊 Computer Q. Which of the following uses a handheld operating system ? (A) A mainframe (B) A personal computer (C) A PDA (D) A laptop 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) A PDA You must be Logged in to update hint/solution 💬 Discussion 💬 Comment