Letter input devices, pointing input devices, imaging and video input devices, and audio input devices are four types of input devices.

如今,中国 95% 的互联网用户通过移动设备(device)上网。 A: Today 95%’s Internet users go online through mobile devices in China. B: Today 95% of China’s Internet users go online via mobile devices. C: Today 95%’s Internet users go to online through mobile devices in China. D: Today 95% of China’s Internet users online in mobile devices.

After booting up a new computer， a technician observes that the USB ports are not working with any USB devices. Which of the following should be done FIRST？（） A: Check the computer to verify that the jumper settings for USB are correct. B: Connect the USB devices to a different computer to test the devices. C: Buy new USB wires and test USB functionality. D: Check the BIOS to verify that USB functionality is enabled.

There is a great demand _______ these devices.

Rhetorical devices include _____ devices for vividness and emphasis.

The high-tech company ( )household electronic devices.

Cohesion can be constructed by linking devices.

Which two characteristics are most typical of a SAN？ （） A:  NICs are used for network connectivity. B:  Servers request specific blocks of data. C:  Storage devices are directly connected to servers. D:  A fabric is used as the hardware for connecting servers to storage devices. E:  The TCO is higher because of the cost of director class storage switches.

Contact lenses belong to Class-III medical devices of medical devices in medicine.

要通过adb命令查看已连接的设备，正确的是（ ）。 A: adb devices B: adb show devices C: adb start devices D: adb have devices