Trackball is a(n)? A) Storage device B) Output device C) Input device D) Programming language Related MCQs: Ahmad reads 24 pages of a book in 15 minutes. The rate of pages read per minute by him will be? Which of the following is not a PowerPoint view? A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work? Sam bought a 12 pack of soda for $5.40. How much did he pay per can of soda?