Question

How are thumbwheels beneficial in CAD systems?

a.

They allow you to draw freehand designs.

b.

They allow for exact verticals and horizontals, which is often necessary in CAD design.

c.

They make it easier to navigate large documents.

d.

They reduce the strain on the hand.

Posted under Human Computer Interaction

Answer: (b).They allow for exact verticals and horizontals, which is often necessary in CAD design. Explanation:In computer-aided design (CAD), precise vertical and horizontal lines are often needed. A thumbwheel, with its constraints to horizontal and vertical movements, can be particularly useful for such requirements.

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