Question

What are stylus and light pen used for?

a.

They are used for fine selection and drawing on touch-sensitive surfaces.

b.

They are used to control the cursor movement on a desktop.

c.

They are used for controlling the velocity of the cursor.

d.

They are used for rotating the cursor.

Posted under Human Computer Interaction

Answer: (a).They are used for fine selection and drawing on touch-sensitive surfaces. Explanation:A stylus and a light pen are pointing devices used to interact with a touch-sensitive screen. They are often used for tasks that require precision, such as fine selection and drawing. The stylus is a small pen-like plastic stick, while the light pen is a similar device that can detect a burst of light from the screen phosphor, allowing it to address individual pixels with great accuracy.

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