_______ indicates a monitor’s ability to display colors by comparing the light intensity of the brightest white to the darkest black.
A. Resolution
B. Dot pitch
C. Pixel width
D. Contrast ratio
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_______ indicates the proportional relationship between a display’s width and height.
Aspect ratio
Bit rate
Contrast ratio
Dot pitch
A(n) _______ is any injury that is caused by fast, repetitive work that can generate neck, wrist, hand, and arm pain.
A. VRI
B. RSI
C. pointer
D. ergonomy
Virtual reality (VR) strives to create a virtual or _______ experience by using specialized hardware that includes headgear and gloves.
A. duplicate
B. ethernet
C. immersive
D. internet
The most widely used input devices are monitors, printers, and keyboards.
A. 对
B. 错