4. Interface Design

Display Design — Quiz

Test your understanding of display design with 5 practice questions.

Practice Questions

Question 1

A display applies gamma correction with exponent \\$\gamma=2.2\\$. What normalized output luminance \\$L_{out}\\$ results from an input signal level \\$L_{in}=0.8\\$?

Question 2

Two on-screen buttons are both 100\\\,mm from the cursor start. Button X is 10\\\,mm wide; Button Y is 20\\\,mm wide. According to Fitts’ Law \\$\\mathit{ID}=\\log_2\\bigl(\\tfrac{2D}{W}\\bigr)\\$, which button has the lower \\$\mathit{ID}\\$?

Question 3

What is the approximate critical flicker fusion threshold for an average human under typical photopic lighting?

Question 4

Which color model represents colors with hue, saturation, and lightness, allowing designers to adjust brightness independently of hue?

Question 5

Which typographic parameter most strongly influences character recognition and legibility for small text sizes on displays?