a powerpoint silde to show simple idea what is computer virus.very basic suitable for class 6 students

1. Presentation by
Bisma khan class VIB
White house grammer school,karachi.

2. What is computer virus ?
Types of computer virus?
What a computer virus do?
•Prevention from computer virus
Best antivirus software.

3. A computer virus is a software
program with a ability to make copies
of itself ,which attacks itself to other
applications or files.

4. There are three types of computer virus
Bootvirus
Program virus
Micro virus

5. Boot viruses infects the boot records of
hard disk and floppy disks.generally
These are considered more dangerous
than program viruses.

6. these viruses infects program files,whic
-h have extensions such as
.COM,.EXE.,SYS.,DLL,.OVL, or
.SCR.program files are attractive
targets for computer virus because
they are widely used and have
relativity,simple formates to which
viruses can attach themselves.

7. These viruses infects data files.for
example,microsoft,word document and
template files are suspectible to macro
virus attacks they spread rapidly as
infected documents are shared on
networks or downloaded from internet
sites.

8. a virus tries to take control of computer
system it has infected at the first
oppurtunity availible.it makes copies
of itself and also try to carry harmful
task written in its program.this process
can happen so quicly that the user is
not even aware of the presense of a
virus in his/her computer.

9. Nortion antivirus.
Mcaffee virus scan
Kaspersky antivirus

10. Norton antivirus is a product of symantec
corporation.founded in 1982.
Notion check the following program
•Boot record s
•Programs(at the time you used them)
•All local hard drives,
•Files download from internet,
•Usbs(when in use)

11. McAfee, Inc. is an antivirus software and
computer security company
headquartered in Santa Clara, California.
It markets McAfee VirusScan and related
security products and services, including
the IntruShield, Entercept, and
Foundstone brands. ...

12. Kespersky is product of kaspersky lab,
A russian computer security company,
•Co-founded by natalya kaspersky
antivirus,do the following things
•Invites virus scan by opening the
kaspersky antivirus window.