Some Internet services offer ____ connections, in which data travels upstream from your computer to the Internet at the same speed as data traveling downstream from the Internet to your computer.
A: asymmetrical
B: symmetrical
C: always-on
D: voiceband
A: asymmetrical
B: symmetrical
C: always-on
D: voiceband
B
举一反三
- ________________ is a utility that records the route through the Internet between your computer and a specified destination computer. A: Checksum B: Trace route C: Ping
- 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
- With _______, or online storage, you can access your files from any computer with an Internet connection. A: Blu-ray B: virtual storage C: optical D: cloud storage
- An ISP supplies a _________ that you can dial from your computer to log on the internet server. A: public key B: private key C: service number D: help file
- Anti-Virus software protects your computer from viruses by ( ) your computer's memory and disk devices.
内容
- 0
Users can transfer data from a computer an iPhone with a click of the mouse.
- 1
Your major is computer application technology, is quite different from mechanical engineering. A: that B: which C: as D: since
- 2
Computer ____ is the result produced by a computer. A: data B: memory C: output D: input
- 3
（）is the first line of protect between your computer and the public Internet. A: The Internet protocol B: The firewall C: The anti-virus software D: The intrusion-detection systems
- 4
It is to download songs from the computer onto your smart phone.