Understanding 4K and Display Resolutions

What is the most common resolution marketed as 4K for TVs and monitors?

• 1920x1080

• 3840x2160

• 4096x2160

• 2560x1440

What aspect ratio is typically used in DCI 4K movie production?

• 4:3

• 2.39:1

• 16:9

• 1.9:1

How does Cinemascope 4K differ from typical home 4K displays?

• It has a wider aspect ratio.

• It is used only for gaming.

• It has a higher resolution.

• It has more pixels.

What is the resolution of Sony's CinemaWide 4K displays?

• 2560x1440

• 1920x1080

• 3840x1644

• 4096x2160

Why is 2160p not an exact synonym for 4K?

• It refers to a different aspect ratio.

• It only describes vertical resolution.

• It is used for older CRT displays.

• It is a marketing term.

What does the 'i' in 480i stand for?

• Interlaced

• Interactive

• Integrated

• Inverted

What is the main difference between interlaced and progressive scanning?

• Interlaced scans half the lines at once.

• Interlaced scans the whole frame at once.

• Progressive scans half the lines at once.

• Progressive is used only in CRTs.

What does PPI stand for in display technology?

• Pixels Per Input

• Pixels Per Image

• Pixels Per Inch

• Pixels Per Interface

How does PPI provide a better understanding of display detail?

• It measures the screen size.

• It combines pixel count with aspect ratio.

• It only considers vertical resolution.

• It is used only by Apple.

Which company uses PPI as a basis for their display marketing?

• LG

• Samsung

• Sony

• Apple