精选优质文档-倾情为你奉上 Passage A On October 12, 1989, some British scientists were working at the computers to look for the information they needed. Suddenly they saw a lot of very bright points crossing the computers screens. At the same time the computers were working much slower. To find out what was happening they stopped their work to check some parts of the computers. To their horror (恐怖), they found out that most of their stored information was got rid of by computer viruses (病毒) !
