Question

What should be taken into account in screen designs for the use of direct devices like a stylus or light pen?

a.

Where the user’s hand will be, and the need to offer alternative layouts for right-handed and left-handed users.

b.

The need for the screen to be within about a meter of the user to enable it to be reached.

c.

The need to keep the devices clean and free from dirt.

d.

The need to provide additional hardware for better control.

Posted under Human Computer Interaction

Answer: (a).Where the user’s hand will be, and the need to offer alternative layouts for right-handed and left-handed users. Explanation:The design of the screen interface can greatly impact the usability of direct input devices like the stylus or light pen. Designers need to take into consideration where the user's hand will be (since it can obscure the screen), and may want to consider placing menus at the bottom rather than the top of the screen. They also need to consider offering alternative layouts for right-handed and left-handed users to accommodate their differing needs.

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