Project Work Of Computer

                          Computer Virus

Introduction

A computer virus is a distructive program that corrupts other programs. It replicates itselfin order to spread from one computer to another wothout the knowledge of the user. It is a samll executable program that interface is the normal functioning of the computer such as deleting system files, changes location and size of files, displaying unnecessary messages, restatring computer automitacally, etc

Symptoms of viruses

Viruses are computer programs and they can do anything that any normal program can do. Different viruses shows different symptoms of infection in the computer and programs. Some symptoms of computer viruses are given below:

1) Programs dissapear from the computer.

2) Files or programs take a long time to load.

3) Programs start automitacally without any instructions.

4) Change the size of disks and files.

Effects of computer virus:

Virus is a destructive software program and they can affect the computer in many ways.some of the effects of computer viruses are given below:

1) Viruses delete or change the contents of files.

2) Viruses rename the files with different names.

3) Viruses reduce memory or disk space of our computer

4) Viruses change the size of files or folders



Spreading viruses

Computer virus spread from one computer to another by the following ways:

1) Virus spread by sharing of infected portable disks among the computers.

2) Viruses spread by the use of infected data or programs while sharing       between computers.

3) Viruses spread by the use of pirated software.

4) Viruses spread by downloading files or programs from unsecured web         sites.

Examples of computer virus

1) MyDoom

2) Storm Worm

3) Slammer

4) Stuxnet



Interesting facts about computer virus

1) One of the earliest virus is used to prank friends.

2) The first ever computer virus was a computer worm.

3) One of the fastest spreading virus is the ILOVEYOU virus.

4) A comuter virus cannot effect hardware.



BY:-KUSHANT ADHIKARI



Comments

Post a Comment

Popular posts from this blog

My Father

Image
All people have father. He is good or bad but he is a father. My father name is Kumar Adhikari. He is 36 years old. He is an officer. He loves me a lot and I also love him a lot. He always support me for good things. He is everything for me. He is great father in the world. He is an ordinary man for others but he is god for me. Dad you have given me the best things in my life. Your time, your care, and your love. I am truly grate
Read more

Dashain And Tihar Vacation Homework

                                                    Making Sel At Home Ingrediants To make It: 1) Rice 3kg 2) Sugar 350g 3) Butter 300g 4) Baking Powder 2tsp 5) Oil  Method To Make It 1) Wash The Rice Properly  2) Then Make The Paste Of Rice With Butter And sugar 3) Place It In A Large Utensil To mix Baking Powder 4) Heat The Oil. Put The Oil According To The Numbers Of Sel 5) Try To Make It Nice 6) Then Enjoy Your Sel My Mother Helped Me To Do This Work. She Taught Me To Do This Things. I Loved To Do This Work. I Enjoyed A Lot......
Read more

Experience of rice pudding

At first we went for shopping with friends and teacher. We buy many necessary materials for making rice pudding and potato pickle. At first we filter the rice aand wash it. We boil the milk in bata upto 10 minutes. After that we add rice to milk with ghee we left it for 10 minutes. We mix khir masala and sugar. Now khir is ready. After that we start making potato pickle. We boil potato for 15 minutes then we all pill it. We cut all vegetables and potato. We mix all vegetables with required things. After that we fry it with oil, jira and chilli and put it in pickle. And we mix it properly . Now potato pickle is ready. All teacher like rice pudding and potato pickle because they eat twice. Steps of making rice pudding Step 1:Cleaning or filtering rice Step 2:Washing Rice Step 3:Boiling milk Step 4:Adding rice in milk ghee for 10minutes Step 5:Mix khir masala and sugar and keep it for 5 or 10 minutes Step 6:Now, khir is ready Steps of making potato pickle Step 1:Washin
Read more