Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Introduction to ComputingInput & Output Devices
When using a trackball, what remains stationary while the user moves the on-screen pointer?
- A.The user's hand
- B.The trackball itselfCorrect answer
- C.The on-screen pointer
- D.The mouse pad
Timed quizzes, instant results, track your progress — free
Practice these MCQs in the appQuick fact: When using a trackball, the trackball itself remains stationary while the user rolls the ball to move the on-screen pointer.