Which of the following uses a handheld operating system? January 25, 2021 / By Preparation Point / Top 20 MCQs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA. supercomputer B. personal computer C. Laptop D. PDA Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn