更多"To have a computer without being co"的相关试题:
[单项选择]To have a computer without being connected to the Web is like having an old radio when everybody else has a color TV. That helps explain ( ) businesses are setting up Net sites even though profits are nowhere to see.
A. reasons
B. the reason why
C. why that
D. why
[填空题]
How to protect your computer from being attacked by a
virus:
Be sure to have a good antivirus program and update it
regularly. You will also want to make sure that your Interact browser and
operating system have had all the necessary security patches (补丁)
applied.
Then, you may think you have a virus, but how do you
really tell You scan your system for viruses with a software program. If you
don’t have antivirus software, you can purchase it online or you can use Panda
Software’s free Active Scan that will scan you computer and report on any
infections.
If the virus scan finds an infection, it will give
you the name of the virus or viruses that you have contracted. If your computer
is infected, you need to take immediate action. Depending on the severity of the
virus, the health of your computer as well as the security of your computer data
may be at risk. Look up the virus at one of the antivirus manufacturers’ s
websites.