Potentially high usability problems for some applications exist for keyboards in all of the following areas except:
A)adequate feedback
B)speed
C)movement scaling
D)visual blocking

Question

Quizplus · Accepted Answer

All of the other options listed - adequate feedback, speed, and movement scaling - can be significant factors in affecting the usability of keyboards for some users. However, visual blocking is not typically a major issue with keyboards, as the layout and design of most keyboards is such that the keys are clearly visible and not obstructed by other elements.

Potentially High Usability Problems for Some Applications Exist for Keyboards