Poster Design Digital and Social Media Poster Design

Question 1

What color mode should a poster designed exclusively for digital/screen display use?

Accepted Answer

RGB

Answer

RGB (Red, Green, Blue) is the color mode used by screens and should be used for all digital-only poster and social media graphics.

Question 2

What is the recommended Instagram square post dimension for a digital poster?

Accepted Answer

1080 × 1080 px

Answer

1080 × 1080 pixels is Instagram's recommended square post resolution for sharp display on high-DPI (Retina) screens.

Question 3

Which file format best preserves transparency in a digital poster graphic exported for web use?

Accepted Answer

PNG

Answer

PNG supports a full alpha channel, allowing transparent backgrounds needed for digital poster overlays and web embeds.

Question 4

What does 'PPI' (pixels per inch) determine for a digital poster?

Accepted Answer

The display sharpness at a given screen size — higher PPI means crisper detail

Answer

PPI determines how densely pixels are packed on screen — high-DPI (Retina) screens display more PPI, requiring larger pixel dimensions for sharp results.

Question 5

For a digital poster intended for a 1920 × 1080 HD screen display, what aspect ratio should the file be?

Accepted Answer

16:9

Answer

16:9 is the standard widescreen aspect ratio for HD monitors, TVs, and digital signage displays — matching the screen exactly prevents cropping.

Poster Design Practice Test

Poster Design Practice Test

Poster Design Digital and Social Media Poster Design