The computer you are using is protected usually by______．

A．password

B．key

C．mouse

D．USB

[单选题] The computer you are using is protected usually by (75) .(75)A． passwordB． keyC． mouseD． USB

[单选题] The computer you are using is protected usually by (75) .A． password B. key C. mouse D. USB

[单选题]You are upgrading computer1 and computer2 from Windows NT Workstation 4.0 to Windows 2000 Professional. You successfully upgrade computer1. During the upgrade of computer2, a series of power outages interrupts the upgrade.You discover that the upgrad

[单选题]You are upgrading a computer from Windows 98 to Windows 2000 Professional. The computer is a 400-Mhz Pentium III, and has 128 MB of RAM and a 10-GB hard disk. You are performing the installation by using the Windows 2000 Professional CD-ROM. After th

[单选题]When you work with a computer, it leaves some useful error messages or window(66)to help you with your work.A．hintsB．promptsC．introductionsD．guides

[单选题] The screen saver you are using is （71） protected.（71）A． diskB． passwordC． computerD． file

[单选题] The screen saver you are using is （71） protected.（71）A． diskB． passwordC． computerD． file

[单选题]Pat: Where did you get that computer?A．nn: ______.

[主观题]You would be using mainly English in this job. Can you manage English conversation?

[单选题]You __________ all those calculations! We have a computer to do that sort o