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

4K UHD (Ultra High Definition) has a native resolution of 3840 x 2160 pixels, which is four times the pixel count of 1080p Full HD.

Question 2

What does EDID stand for in display technology?

Accepted Answer

Extended Display Identification Data

Answer

EDID (Extended Display Identification Data) is a metadata standard that a display communicates to a source device to describe its capabilities, including supported resolutions and refresh rates.

Question 3

What is the throw ratio of a projector?

Accepted Answer

The ratio of projection distance to image width

Answer

Throw ratio is calculated by dividing the projection distance by the image width; a lower throw ratio means the projector can produce a larger image from a shorter distance.

Question 4

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

Accepted Answer

OLED

Answer

OLED (Organic Light-Emitting Diode) displays use organic compounds that emit light individually per pixel, eliminating the need for a backlight and enabling true blacks.

Question 5

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

Accepted Answer

16:9

Answer

16:9 is the standard aspect ratio for HDTV and modern consumer displays, adopted as the broadcast standard for high-definition television.

(CTS) Certified Technology Specialist Practice Test

(CTS) Certified Technology Specialist Practice Test

CTS Display Technologies and Video Systems