The computer课件.ppt

Computers and Security;Computer for work; ;The second generation of computer;The third generation of computer;1971 to date VLSI (Very Large Scale Integration) （大规模集成电路）;What’s wrong with my computer???;---What happened to my computer? ---Oh, I think that your computer suffered from computer virus. --- My goodness, that’s terrible. Could you do me a favor? ---Don’t worry, I’ll show you something about computer viruses. ;The computer is infected with a computer virus named “Panda‘s Burning Joss Sticks” (熊猫烧香）.; The Panda Burns Incense computer worm, authored by 27-year-old Li Jun，wreaked havoc for months in China in 2006 and 2007, eventually landing Mr. Li in jail. Jumping one computer to another by tricking users into opening what appeared to be a friendly email message, the Panda funneled passwords, financial information and online cash balances from game Websites to Mr. Lis cohorts -- leaving a panda as its calling card.;The characteristic of computer viruses;Computer Viruses?? classification;---Could you help me? I don’t know how to make my computer clear . ---I’m sorry. I don’t know that for sure. I think that you have to formatting （格式化）your computer. ---…Well, what can I do to keep my computer from viruses? ---All right. I’ll show you some methods for you to protect your computer. ;Viral clearance;One way to clear viruses is to use antivirus software such as RAV (瑞星），360 and so on.;And the other way is Manually removing the viruses.;Okay, at last, I want to say ---“do not addicted to the internet”, like the man .;Thank you!