Antivirus software is a Windows utility that is unnecessary as long as you are careful browsing the Internet.
查看答案
System software might be described as end-user software.
A. 对
B. 错
A browser is an example of system software.
A. 对
B. 错
Another name for a midrange computer is "server."
A. 对
B. 错
Insurance companies are most likely to use personal computers to process information about millions of policyholders.
A. 对
B. 错
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