Page 23 - Computer Class 05

8 A virus can delete everything on your hard disk.

8 Virus do not infect compressed files.

8 Some viruses stay active only when the application or a part of it is running.

8 Trojan Horse is a destructive program.

8 There are so many antiviruses which work against viruses.

Objective Type Questions

A. Tick ( ) the correct one.3

1. Viruses do not infect computer:

a) hardware b) software
c) both a) & b) d) none of them

2. Trojan Horse is an example of ____________ .
a) computer virus b) antivirus

d) human virus d) both a) & b)
3. Relax is an example of ____________ .

a) Macro Virus b) Trojan Horse

c) File Virus d) None of them
4. It performs its task when particular action has occured, otherwise it
is not harmful.

a) Logical Bomb b) Time Bomb

c) Macrovirus d) Boot Sector

B. Fill in the blanks.

1. A computer ________ has the capacity to corrupt or to delete data on your
computer.

2. ________ files are programs or files with its common characters.
3. Computer virus behaves in ________ ways.

4. ________ virus usually infect .EXE and .COM files.

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