A) Joystick
B) OCR
C) Plotter
D) Touch screen
E) All of the above
Correct Answer: A
Solution :
[a] Joysticks are used to control video games. They usually have one or more push-but- tons whose state can also be read by the computer. A popular variation of the joystick used on modern video game consoles is the analog stick. They are also used for controlling machines such as cranes, etc.
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