The trackball is an : April 17, 2021 / By Preparation Point / Inspector & Sub Inspector jobs Past Papers MCQs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) storage device B) Output device C) input device✓ D) programming language Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn