P Priyanka Tomar π Tutor III β 35.28K Points π Computer Q. Which device uses a hand-held operating system? (A) A mainframe (B) A laptop (C) A personal computer (D) PDA ποΈ Show Answer π Share β‘Menu β Correct Answer: (D) PDA You must be Logged in to update hint/solution π¬ Discussion π¬ Comment