Questions: Ergonomics is an important consideration A. only for laptop computers. B. only for desktop computers. C. only for laptop and desktop computers, but never for mobile devices. D. for all computing devices.

The answer is the last one (or D): for all computing devices.

Explanation for each option:

A. only for laptop computers.

• Incorrect. Ergonomics is not limited to just laptop computers. It applies to various types of computing devices to ensure user comfort and prevent strain or injury.

B. only for desktop computers.

• Incorrect. Similar to laptops, desktop computers are not the only devices where ergonomics is important. Ergonomics should be considered for all types of computing devices.

C. only for laptop and desktop computers, but never for mobile devices.

• Incorrect. Mobile devices, such as smartphones and tablets, also require ergonomic considerations to prevent issues like repetitive strain injuries and to ensure user comfort.

D. for all computing devices.

• Correct. Ergonomics is important for all computing devices, including laptops, desktops, and mobile devices, to ensure that users can operate them comfortably and safely.

Summary: Ergonomics is an important consideration for all computing devices to ensure user comfort and prevent strain or injury.