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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(写出下列词组的汉语。) 1．database 2．flat-file database

3．relational database4．data structure

5．built in6．coding

7．machine language8．Property Window

9．software crisis10．object model

11．black box testing12．white box testing

13．Bug14．software maintenance 15．Requirements Analysis & Specification

(二)．Fill in the blanks with the corresponding English abbreviations.(根据汉语写出相应的英语缩写。)

1．结构化查询语言2．关系型数据库管理系统

3．集成开发环境4．多文档界面

5．单文档界面6．面向对象分析

7．面向对象设计8．面向对象编程

(三)．Translate the following Chinese into English.(根据汉语写出相应的英语。)

1．客户机/服务器2．二维的

3．点击鼠标右键4．调试程序

5．高级语言6．标准版

7．代码窗口8．软件生命周期

9．软件测试10．数据流图

二．Tell whether the following statements are true(T) or false(F).(判断正误。) 1．Client/server database system is no longer in use now. ( ) 2．Flat-file style of database is suitable for large amounts of data. ( ) 3．SQL Server can allow many users to visit the database at the same time. ( )

4．Maintenance of programs is not as important as the development. ( ) 5．High-level language is popular, because it is directly executable in computer without compiling.

( ) 6. There are various languages for humans, whereas(然而)there is only one programming language for computer. ( ) 7. The windows that are displayed when you start VB are known as the Visual Basic Integrated Development Environment (IDE). ( ) 8. Software engineering covers not only the technical aspects of building software systems, but also management issues. ( )

9. OOD is the stage of creation and OOP is an implementation stage. ( )

10. White box testing requires the tester to have knowledge of the internal structure. ( )

三．Match the following words and expressions in the left column with those similar in meaning in the right column.(将左列的词汇与右列相应的汉语匹配。)

（一）．

1. DBMS a. 结构化查询语言

2. relational database b. 维护

3. SQL (Structured Query Language) c. 高级语言

4. compile the program d. 数据库管理系统

5. High-level language e. 多文档界面

6. MDI(Multi-Document Interface) f. 关系数据库

7. Maintenance g. 编译程序

8. Object-oriented Design (OOD)h. 软件测试

9. software testing i. 黑盒测试

10. black box testing j. 面向对象设计

(二) ．

1．machine language a. 调试

2．assembly language b. 功能测试

3. debugging c. 窗体

4. functional testing d. 汇编语言

5. white box testing e. 机器语言

6. form f. 白盒测试

7. project window g. 表记录

8. field h. 结构化程序设计

9. .structured programming i. 工程窗口

10. table record 字段

四．Fill in the blanks with suitable words or expressions from the list given below, and change the form where necessary. （从下面方框中选择合适的词或表达，以其适当的形式填空。）

1．

Like many other RDBMSs, SQL Server uses two tables to store data. These tables are called or dictionaries. It is a secure system and allow you to assign to individual users. By default, it use a to distinguish among different SQL Severs. To create a new database, you need to specify a . And you may also change the of the database during this process. A new database comes with over 10 tables. To create a new table, you can use a table window.

2．

A programming language, designed to ________________ the communication between human and computers, is a ________________ for describing computation in readable form. There are 3 levels of programming languages, they are________________ , which can be run directly by computer; ________________ 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．

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.（将下列句子翻译成汉语。）

1. A database system is a software system which can manage a database stored in computer files.

2. Relational databases also have functions "built in" that help them to get, sort and edit the data in 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.（将下列各段翻译成汉语）。

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

delete any.

2. A high-level language is an artificial language with which we can write various instructions. This is possible not because computer processors are now so technologically advanced that they can ‘understand’ these languages. You should translate from programming languages into machine language which can be understood by the computer processors. Compilers can accomplish this task. This does mean that a high-level language program is not directly executable: it must be compiled to produce processor program, which is executable.

3. Over the last few decades there has been a tremendous growth in information technology and its impact on everyday life. Complex software systems have become critical to the operation of many systems in areas such as banking, communications, manufacturing, power generation, and transportation. Progress in computer science and accumulated experience with industrial production of software have led to the emergence of software engineering as a separate discipline. The software engineering discipline has been defined as "the application of systematic, disciplined, quantifiable approaches to the development, operation, and maintenance of software." that is, the application of engineering to software.

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