Which of the following sets contains only valid input devices?

Which of the following is an input device?

Which one of the following is NOT an input device of a computer?

Which of the following peripheral devices functions as both an input and an output device, enabling a computer to transmit and receive data over a network?

Which of the following groups consists of only input devices in a computer system?

For scanning and reading a candidate's choices in multiple-choice questions on an examination sheet, which input device is generally used?

Which of the following computer hardware components function as pointing devices? a) Trackball b) Touchscreen c) Graphic Tablet d) Joystick

Which of the following groups contains ONLY computer output devices?

Which among the following is categorized as an input device?