举一反三
- Desktop, laptop, and tablet computers, and mobile devices are classified as _______. A: mainframe computers B: supercomputers C: midrange computers D: personal computers
- The time spent on desktop computers and mobile devices now exceeds time spent in front of the television.
- What devices are not permitted to use for take-off and landing? A: mobile phone B: radios C: laptop computer D: remote-controlled equipment
- D detox(数字排毒) is time spent away from computers and other digital devices from time to time.
- ______ is an operating system for mobile devices based on the Linux kernel and Java.
内容
- 0
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.
- 1
( ) is bullying that takes place over digital devices like cell phones, computers, and tablets.
- 2
Cloud computing is a type of （ ）-based computing that provides shared Computer processing resources and data to computers and other devices on demand. A: computer B: Internet C: data D: protocol
- 3
Operating systems for mobile devices generally are as fully-featured as those made for desktop or laptop computers.
- 4
A digital computer is generally made up of five dstinct elements: a central processing unit,(). A: memeory storage devices B: crt screen C: a bus D: output devices E: input devices