Matching
Match each item with a statement below.
- the relative difference between light and dark areas on a video screen
A) infrared (IR)
B) digitizer
C) dxdiag.exe
D) HDMI connector
E) OLED
F) projector
G) refresh rate
H) stylus
I) contrast ratio
J) ghost cursor

Question

Matching
Match each item with a statement below.
- the relative difference between light and dark areas on a video screen
A) infrared (IR)
B) digitizer
C) dxdiag.exe
D) HDMI connector
E) OLED
F) projector
G) refresh rate
H) stylus
I) contrast ratio
J) ghost cursor

Quizplus · Accepted Answer

Contrast ratio refers to the relative difference between light and dark areas on a video screen.

Answer: B 
 A digitizer is a device that converts analog signals into digital signals, commonly used with touchscreens.

Answer: D 
 An HDMI connector is a type of cable used to transmit high-definition video and audio signals from a device to a display.

Answer: E 
 OLED (organic light-emitting diode) is a display technology that uses organic compounds to emit light, producing bright colors and deep blacks.

Answer: G 
 Refresh rate refers to the number of times per second a video image is updated on a screen, typically measured in hertz (Hz).

Answer: H 
 A stylus is a pen-like device used for input on a touchscreen or other device.

Possible additional correct answer:

Answer: A 
 Infrared (IR) refers to a type of electromagnetic radiation that is not visible to humans, but can be used for communication or sensing.

Matching Match Each Item with a Statement Below