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Question

What devices often require discrete control?

a.

Mobile phones and television remote controls

b.

Joysticks and trackballs

c.

Light pens and touch screens

d.

Digitizing tablets and styluses

Posted under Human Computer Interaction

Answer: (a).Mobile phones and television remote controls Explanation:Devices like mobile phones and television remote controls often require discrete control. This might involve dedicated buttons or a central joystick-like device for navigating menus, controlling volume, or selecting from a set of icons.

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