Question

What is a thumbwheel?

a.

A thumbwheel is a type of joystick.

b.

A thumbwheel is a device that has two orthogonal dials to control the cursor position.

c.

A thumbwheel is a type of mouse that is controlled by foot gestures.

d.

A thumbwheel is a large type of mouse used for graphic design.

Posted under Human Computer Interaction

Answer: (b).A thumbwheel is a device that has two orthogonal dials to control the cursor position. Explanation:A thumbwheel is a control input device that has two orthogonal dials to manipulate the cursor position. This device is inexpensive and offers simplicity, but it may be slower than other devices and can limit cursor movement to either horizontal or vertical directions.

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