西南大学网络与继续教育学院课程考试试题卷类别：网教 专业：计算机科学与技术 课程名称【编号】： 专业英语 【0089】 A 卷大作业 满分：100 分 一、大作业题目1. Please translate the following into English.整个开发过程始于分析阶段，这个阶段显示程序包应该做什么。在这个阶段，系统分析员定义需求，指出系统所要实现的目标。这些需求常常用用户能理解的术语表述。在分析阶段有四个步骤：定义用户、定义要求、定义需求以及定义方法。The development process starts with the analysis phase, which showswhat the package should do. In this phase, the system analyst denesrequirements that specify what the proposed system is to accomplish.The requirements are usually stated in terms that the user understand.There are four steps in the analysis phase: dene the user, dene theneeds, dene the requirements, and dene the methods.2. Please translate the following into English.操作系统要么时单任务的，要么是多任务的。较早的单任务操作系统每次只能运行一个进程。例如，当计算机在打印一个文档的时候，它就不能开始另外一个进程或响应新的命令，知道打印结束。The operating system is either single task or multitask. The earlier singletask operating system can only run one process at a time. For example,when a computer prints a document, it cannot start another process orrespond to new commands until the printing is nished.3. Explain the abbreviationC2C Customer（Consume） to Customer（Consumer）BIOS Basic Input Output SystemRAM random access memoryCPU Central Processing UnitLAN Local Area Network4. Explain the abbreviationB2CBusiness-to-CustomerEBExabyte WANWide Area NetworkAIArticial IntelligenceGUIGraphical User Interface5. WritingIn(uence on daily life from mobile payment Mobile payment is a means of payment in mobile payments, butpeople usually pay mobile payment as a mobile payment. The main functionof products for consumers through some channels selected, through themobile phone carrier to pay, in short, is to allow mobile users to use theirmobile devices (usually mobile phone) to pay an accounting services for theconsumption of goods or services. Customers via SMS, WAP, client and otherforms, the use of mobile phone number, payment cards, bank cards andother payment accounts, provide bill payment, mobile phone recharge, utilityfee, order goods and services, nance, consumer and other self-help brushmobile phone mobile phone self-service payment service. Mobile payment is a new trendency to pay. It provides us with moreconvience. By mobile payment, we can save a lot of time when purchasingon the internet platform, such as taobao or tianmao and so on. With mobilepayment development, there will be less and less important to the real onein contrast to visual money.At the same time, it will take more risksprotecting your private posessions. For example, you might be monitoredwhile paying for what you have bought so that your account could be stolen.- 1 - That is not very commen ,however, so do not be scared as long as you log inthe authored website.Of course ,the mobile payment is under constructionnow . It would be more popular in the years to come.二、大作业要求大作业共需要完成三道题：第 1-2 题选作一题，满分 30 分；第 3-4 题选作一题，满分 30 分；第 5 题必做，满分 40 分。- 2 -