Page 49 - Code Craft Computer-8

Knowledge Check

A. Mark the correct response.

1. Program viruses infect program files with extensions such as
a. .com b. .exe OMR Sheet

c. .sys d. all of these Use only blue/black ball
pen to fill the circles. It
2. Which of the following statements is false?
should be darkened
a. Viruses can infect executable program files. completely and properly.
Wrong methods
b. Viruses can infect files that are attached to e-mail messages
Correct method
or can be copied to disks and pen drives.

c. Virus can infect computer hardware.
1. a b c d
d. Antivirus software tries to detect and remove viruses
3. Which of the following is not a type of malware?
2. a b c d
a. Worm b. Mc Afee

c. Spyware d. Trojan Horse
3. a b c d
4. A virus can infect ______________.
a. monitor b. keyboard
4. a b c d
c. mouse d. MS Word
5. Which of the following is not an antivirus software?
a. Avast b. Avira 5. a b c d

c. Norton d. Trojan

B. Gap-fill exercise.
1. A _____________ is a kind of malware that uses computer networks to send copies of
itself to other computer on the network.

2. A computer virus _____________ the normal operation of a computer.
3. A computer virus causes loss of _____________ and _____________ of data.

4. Virus programs are _____________.
5. _____________ programs are designed to detect and remove viruses from computer
systems.

C. True and False assessment.

1. A virus can affect both hardware and software.
2. You should scan pen drives for viruses before using them.

3. Viruses have no effect on the speed of a computer.
4. Viruses enter through infected storage devices.

5. Malware also steal important information.

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