63. In a computer system, which device is functionally opposite of a Key-board? A. Mouse B. Trackball C. Printer D. Joystick E. None of the above
Printer is functionally Opposite of a Keyboard. A keyboard is the most common input device that comprises a set of typewriter-like keys used to enter data into a computer. On the contrary, a printer is an output device capable of printing text and graphics on a paper.
C). printer
