题目内容

The most widely used audio-input device.

A. mouse
B. VR
C. microphone
D. RFID

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The monitor feature that indicates the ability to display colors.

A. aspect ratio
B. contrast ratio
C. dot pitch
D. resolution rate

Mobile devices able to store and display electronic media.

A. e-book readers
B. HDTV
C. lasers
D. whiteboards

Virtual reality strives to create this type of experience.

A. electronic
B. immersive
C. LCD
D. VoIP

The study of human factors related to things people use is:

A. ergonomics
B. RFID
C. RSI
D. telephony