CTS Display Technologies and Video Systems

Question 1

What is the native resolution of a 4K UHD display?

Accepted Answer

3840 x 2160 pixels

Answer

1920 x 1080 pixels

Answer

2560 x 1440 pixels

Answer

4096 x 2160 pixels

Question 2

What does EDID stand for in display technology?

Accepted Answer

Extended Display Identification Data

Answer

Enhanced Digital Interface Data

Answer

External Device Input Description

Answer

Electronic Display Integration Driver

Question 3

What is the throw ratio of a projector?

Accepted Answer

The ratio of projection distance to image width

Answer

The ratio of image brightness to ambient light

Answer

The ratio of contrast to lumens output

Answer

The ratio of lens focal length to screen gain

Question 4

Which display technology uses self-emitting pixels that do not require a separate backlight?

Accepted Answer

OLED

Answer

LCD

Answer

DLP

Answer

LCoS

Question 5

What is the standard aspect ratio for a widescreen HDTV display?

Accepted Answer

16:9

Answer

4:3

Answer

16:10

Answer

21:9

Question 6

What unit is used to measure the light output of a projector?

Accepted Answer

ANSI lumens

Answer

Candela

Answer

Foot-candles

Answer

Lux

Question 7

What is the purpose of High Dynamic Range (HDR) in display technology?

Accepted Answer

To extend the range between the brightest and darkest parts of an image

Answer

To increase the display resolution beyond 4K

Answer

To reduce power consumption in LED backlights

Answer

To synchronize frame rates between source and display