本文格式为Word版，下载可任意编辑计算机专业英语作业2 计算机专业英语作业2 第4-6章作业 一Vocabulary( 词汇) (一)Translate the following words and expressions into Chinese(写出以下词组的汉语。) 1database 2 flat-file database 3relational database 4data structure 5built in 6 coding 7machine language 8Property Window 9software crisis 10object model 11black box testing 12white box testing 13Bug 14software maintenance 15Requirements Analysis _ and _. There are different high-level programming languages. Fortunately, most of them have many kinds of _ in common and vary only in the way that these must be _ . Therefore, first thing to be decided about a task is to choose which programming language is best suited for the job. 3 black box testing internal bug thorough reveal output faults valid white box testing Software testing, which is defined as the execution of a program to find its_ _, is a vital part of the software lifecycle. There are different types of testing, mainly, they are _ _ _ or functional testing, which tests whether the _ _ is the expected result with the _ _ input; and _ _ (or glass box testing) which is performed to _ _ problems with the_ _ structure of a program . Debugging is the process of analyzing and locating bugs when software does not behave as expected. Software testing is a much more _ _ means of identifying software _ _. Therefore, debugging supports testing other than replacing testing. 四 Translation.（翻译。） （一）Translate the following sentences into Chinese.（将以下句子翻译成汉语。） 1. A database system is a software system which can manage a database stored in computer files. 2. Relational databases also have functions many different ways. 3. SQL Server is designed to allow thousands of users to access the database at the same time and is a true client/server database system. 4. During the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as writing them. 5. Programming languages are designed to facilitate the communication between human and computers. 6. Fortunately most programming languages have many kinds of constructs in common and vary only in the way that these must be written. 7. Some applications, such as Word, allow for several windows in a special mode called MDI in which you can open multiple documents within the same application. 8. For developing a software product, the development process is divided into 5 stages: Requirements Analysis & Specification, Design, Coding, Testing, and Maintenance. 9. Object-orientation may increase productivity because OOA and OOD, if done correctly, result in products that are cleaner, more understandable, and easier to implement and test. 10. Functional testing tests whether the output is the expected result with the valid input. （二）Translate the following paragraphs into Chinese.（将以下各段翻译成汉语）。 1. SQL Server is a RDBMS (Relational Database Management System) made by Microsoft. This means that the data is stored in two dimensional tables. RDBMSs all have tables called catalogs or dictionaries that contain information about the particular databases. SQL Server is designed to allow thousands of users to access the database at the same time and is a true client/server database system. It is much more secure than Access. Rights can be assigned to individual users and administrators. For example you can setup one user that can only insert data in the database but cannot 4