Light pen
Mouse
Optical mouse
Touch pad
单选题Which of the following statements is NOT true?A A North Korean and his colleagues have found two sound-sensitive genes in rice.B Plants have a sense of light.C Plants have a sense of touch.D Plants can taste.
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单选题On laptops, the internal wireless adapter is known by which of the following form factors?（）A PCIB Mini PCIC ISAD PCIe 1x
单选题A client reports that the cursor on their laptop moves to one corner of the screen and stays there when they try to use the keyboard joystick. Which of the following components will MOST likely need to be replaced to resolve the issue?（）A TouchpadB MotherboardC KeyboardD External pointing device
单选题Which of the following storage devices is not an example of an optical storage device?（）A Blu-RayB DVDC SSDD CD
单选题Which device creates an OEO conversion？ （）AamplifierBattenuatorCregeneratorDlight emitterEoptical switchFoptical receiverGfiber-optic cable
单选题When a user is typing on a laptop the cursor sometimes moves on its own. Which of the following is MOST likely the cause？（）A The keyboard driver needs to be updated.B There are conflicting serial ports.C The mouse driver needs to be updated.D The user is brushing the touch pad while typing.
单选题Which of the following is a pointing device offered in laptops?（）A Light penB MouseC Optical mouseD Touch pad
