Question 1

What is image resolution?

Accepted Answer

Pixel dimensions (3000×2000) or density (300 PPI). Both matter for print quality.

Question 2

How do you calculate print size?

Accepted Answer

Print size = pixels ÷ DPI. A 3000×2000 image at 300 DPI = 10×6.67 inches.

Question 3

What's the difference between points and pixels?

Accepted Answer

Points (1/72 inch) are absolute size units for print. Pixels depend on screen resolution. At 96 DPI (common monitors): 1 point ≈ 1.33 pixels.

Question 4

Why do designers use different typography units?

Accepted Answer

Points/picas from traditional typesetting. Pixels for screen design. Em/rem for responsive web design. Each optimizes for different output media.

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