计算机专业毕业论文外文翻译2篇

Since the 21st century, the human economy has developed high speed, the people live have had the change which changes with each new day, specially computer's application and popularization to economical and social life each domain. Along with the computer in the social life each domain's widespread utilization, the computer virus attack and the guard technology unceasingly is also developing, has brought the huge destruction and the latent threat for the computer system. It is reported that various countries suffer the computer virus infection and the attack event are counted by the 100 million, has disturbed the normal human society life seriously, has brought the huge latent threat and the destruction for the computer network and the system. Along with the computer, the network utilization popularizes unceasingly, thoroughly, will guard against the computer virus to receive various countries to take seriously more and more. In order to ensure system's security and unimpeded, therefore, studies the computer virus the measure to be imminent. This article obtains from computer's characteristic, to come the preliminary discussion to cope with the computer virus the method and the measure. 计算机Computer,、病毒 virus系统安全system safety

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可加我“扣扣”细谈，扣扣号码见我的ID附件2：外文原文The History of the InternetThe Beginning - ARPAnetThe Internet started as a project by the US government. The object of the project was to create a means of communications between long distance points, in the event of a nation wide emergency or, more specifically, nuclear war. The project was called ARPAnet, and it is what the Internet started as. Funded specifically for military communication, the engineers responsible for ARPANet had no idea of the possibilities of an "Internet." By definition, an 'Internet' is four or more computers connected by a network. ARPAnet achieved its network by using a protocol called TCP/IP. The basics around this protocol was that if information sent over a network failed to get through on one route, it would find another route to work with, as well as establishing a means for one computer to "talk" to another computer, regardless of whether it was a PC or a Macintosh. By the 80's ARPAnet, just years away from becoming the more well known Internet, had 200 computers. The Defense Department, satisfied with ARPAnets results, decided to fully adopt it into service, and connected many military computers and resources into the network. ARPAnet then had 562 computers on its network. By the year 1984, it had over 1000 computers on its network. In 1986 ARPAnet (supposedly) shut down, but only the organization shutdown, and the existing networks still existed between the more than 1000computers. It shut down due to a failied link up with NSF, who wanted toconnect its 5 countywide super computers into ARPAnet. With the funding of NSF, new high speed lines were successfully installedat line speeds of 56k (a normal modem nowadays) through telephone linesin 1988. By that time, there were 28,174 computers on the (by then decided) Internet. In 1989 there were 80,000 computers on it. By 1989, there were 290,000. Another network was built to support the incredible number of peoplejoining. It was constructed in 1992. Today - The InternetToday, the Internet has become one of the most important technological advancements in the history of humanity. Everyone wants to get 'on line' to experience the wealth of information of the Internet. Millions of people now use the Internet, and it's predicted that by the year 2003 every single person on the planet will have Internet access. The Internet ha起源——ARPAnetInternet是被美国政府作为一项工程进行开发的。这项工程的目的，是为了建立远距离之间点与点的通信，以便处理国家军事范围内的紧急事件，例如核战争。这项工程被命名为ARPAnet，它就是Internet的前身。建立此工程的主要应用对象就是军事通讯，那些负责ARPAnet的工程师们当时也没有想到它将成为“Internet”。根据定义，一个“Internet”应该由四或者更多的计算机连接起来的网络。ARPAnet是通过一种叫TCP/IP的协议实现连网工作的。此协议最基础的工作原理是：如果信息在网络中的一条路径发送失败，那么它将找到其他路径进行发送，就好象建立一种语言以便一台计算机与其他计算机“交谈”一样，但不注意它是PC，或是Macintosh。到了20世纪80年代，ARPAnet已经开始变成目前更为有名的Internet了，它拥有200台在线主机。国防部很满意ARPAnets的成果，于是决定全力将它培养为能够联系很多军事主机，资源共享的服务网络。到了1984年，它就已经超过1000台主机在线了。在1986年ARPAnet关闭了，但仅仅是建立它的机构关闭了，而网络继续存在与超过1000台的主机之间。由于使用NSF连接失败，ARPAnet才被关闭。NSF是将5个国家范围内的超级计算机连入ARPAnet。随着NSF的建立，新的高速的传输介质被成功的使用，在1988年，用户能通过56k的电话线上网。在那个时候有28，174台主机连入Internet。到了1989年有80，000台主机连入Internet。到1989年末，就有290，000台主机连入了。另外还有其他网络被建立，并支持用户以惊人的数量接入。于1992年正式建立。现状——Internet如今，Internet已经成为人类历史上最先进技术的一种。每个人都想“上网”去体验一下Internet中的信息财富。成千上百的人都用Internet。预计，到了2003年世界上的每个人，都将拥有Internet接入。Internet已经真正成为我们这个年代生活的一部分。由于计算机技术和网络技术每天都在改变，我们很难想象Internet下一步将发展成什么样子。工作原理：现在，人们用Internet是一件很平常的事。他们通过Internet进行购物、玩游戏、聊天等娱乐活动。Internet不仅仅是一件事物。Internet也会崩溃。它的工作原理如同电话通信系统，只不过没有专门的Internet公司来经营Internet。Internet是成千上万台计算机互相连接的集合。Internet就像是办公网络一样，不同的是，它有成千上万台计算机相连接。其中最主要的是Internet是如何进行通信的。位于Houston的一台计算机是如何通过浏览网页而能与位于Tokyo的计算机进行数据通信的呢？Internet信息，拥有信息的计算机连接到Internet，是基于语言。这种语言叫做TCP/IP。TCP/IP建立了一种语言，能使计算机在Internet系统中传送数据。但是TCP/IP的取得也必须具备两台电脑之间的物理连接。