题目内容
A(n) _______ is any injury that is caused by fast, repetitive work that can generate neck, wrist, hand, and arm pain.
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Virtual reality (VR) strives to create a virtual or _______ experience by using specialized hardware that includes headgear and gloves.
The most widely used input devices are monitors, printers, and keyboards.
Combination keys perform a function when held down in combination with another key.
An optical mouse uses light in order to detect movement.
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