How did the name of "computer virus" come into being?
A、
It resembles the biological virus.
B、
It works the same way as the human virus.
C、
It influences the human as the biological viruses do.
D、
It spreads to people who use the infected computers.
【正确答案】
A
【答案解析】
单选题
What is the way that the computer viruses infect the computer systems?
A、
They invade the computer and make it a place for manufacturing.
B、
They spread throughout the whole system by quickly copying themselves.
C、
They infect the hard disc and the whole system.
D、
They spread viruses inside the computer system.
【正确答案】
B
【答案解析】
单选题
What is a "benign" virus?
A、
It is a virus that causes great damage.
B、
It is a virus that once infected the IBM' s computer system.
C、
It is a virus that carries a Christmas greeting.
D、
It is a virus that causes no harm to the computer systems.
【正确答案】
D
【答案解析】
单选题
What can a "malignant" virus do to your computer?
A、
It can cause no damages at all.
B、
It can cause damages to the computer systems.
C、
It can copy your files in computers.
D、
It can format your hard drive.
【正确答案】
B
【答案解析】
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