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《计算机专业英语》课程教学资源(练习与答案)Unit 5 Office Automation

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Text 1 Fundamentals of office Automation Exercises 1. Multiple choices.(多选题) (1)Office automation is( ABD A. the application of computer B. communications technology D. used to improve the productivity of people
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Unit 5 Office Automation Text 1 Fund amentals of office Automation Exercises 1. Multiple choices.(多选题) (1) Office automation is( ABD A. the application of computer D. used to improve the productivity of people (2) Office automation was the interactive system of word and text processing in the( b A. mid-1950s B. mid-1970s C.mid-1960: (3) The major functional components of an office automation system include( ABCD A. text processing B. information storage and retrieval C. electronic mail D. task management (4)Office automation system is useful especially for( BCD sical workers C. office workers D. professional workers (5) Electronic mails have protocols that are( BC A. non-standard B. like post office's specification C. standard D. used to define recipient (6) An integrated office automation can be( ABCD A. a networked system B. a system that an office worker can easily access C. a single computer D. used to change the way people work in an office 2. Fill in the blanks with appropriate words according to the text. 1)The major functional components of an office automation system include text processing, electronic mail, information storage and retrieval, personal assistance features and task management (2)Electronic mail -permit a user to compose and transmit a message on an office utomation system (3) In the early 1970s, the ARPanet community developed a number of such system which have been heavily used (4)When computer. communication, and office equipment are networked and an office or her desk. it will be possible to change substantially the way people work in an office

Unit 5 Office Automation Text 1 Fundamentals of Office Automation Exercises 1. Multiple choices.(多选题) (1) Office automation is ( ABD ). A. the application of computer B. communications technology C. the computer D. used to improve the productivity of people (2) Office automation was the interactive system of word and text processing in the( B ). A. mid-1950s B. mid-1970s C. mid-1960s D. 1980s (3) The major functional components of an office automation system include ( ABCD ). A. text processing B. information storage and retrieval C. electronic mail D. task management (4) Office automation system is useful especially for ( BCD ). A. physical workers B. managers C. office workers D. professional workers (5) Electronic mails have protocols that are ( BC ). A. non-standard B. like post office's specification C. standard D. used to define recipient (6) An integrated office automation can be ( ABCD ). A. a networked system B. a system that an office worker can easily access C. a single computer D. used to change the way people work in an office 2. Fill in the blanks with appropriate words according to the text. (1) The major functional components of an office automation system include text processing, electronic mail, information storage and retrieval, personal assistance features, and task management. (2) Electronic mail permit a user to compose and transmit a message on an office automation system. (3) In the early 1970s, the ARPAnet community developed a number of such systems which have been heavily used. (4) When computer, communication, and office equipment are networked and an office worker can easily access the entire system through a personal computer sitting on his or her desk. it will be possible to change substantially the way people work in an office

3. Translate and analyze the following sentences (1)Later it leads to a so-called"integrated electronic office of the future 句子组成: lead to导致引导宾语,so-cled所谓的 翻译:后来T 未来综合电子办公室”的出现。 (2) The major functional components of an office automation system include 句子组成: the maior functional components an office automation做主语 翻译:办公自动化的主要功能有 (3) Today's organizations have a wide variety of office automation hardware and software 句子组成: hardware and software components做宾语,and连接两个并列宾语。 翻译:当今的机构配置了各种各样的办公自动化硬件和软亻 (4)An office worker can easily access the entire system through a personal computer sitting on his or her desk 句子组成: through通过。引导状语。 翻译:办公室职员能方便地通过自己桌面上的计算机访问整个系统 (5) It will be possible to change substantially the way people work in an office 句子组成:止代上面的条件。 翻译:才可能改变人们在办公室工作的现状。 4. Reading comprehension A very brief conceptual introduction to time sharing is not an easy task because the term has already become so generalized that it has a great variety of meanings to scores of interesting groups and wide ranges of intelligence levels in such groups. It might be best developed by listing its logical components: simultaneity-a variable number of people can use the computer at essentially the same time; independence-the programs being handled by the system are operated independently of one another without risk of being intermixed or having security breached immediacy--all requests for computer response receive that response within seconds(or less)of the completion of the required computation, and most often before"action deadlines"occur spatial illimitability-missiles millions of miles away have operated in real-time, and earthbound time-sharing users can communicate with the computer by means of teletype, visual disp lays and scores of other input/output devices which are not generally in close proximity to the central computer, and can be continents away. Time sharing is really the utilization of time Choose the correct answers for the following brackets (1) This passage talks about (C) A. immediacy B. simultaneity C. time sharing D. independence (2)It is(B) to give a very brief conceptual introduction to time sharing B. difficult C. realistic D difficult (3) Which statement is NOT true? (A) A. The concept of time sharing has become generalized B. The concept of time sharing has the same meaning to all the people

Unit 5 Office Automation 2 3. Translate and analyze the following sentences. (1) Later it leads to a so-called "integrated electronic office of the future". 句子组成:lead to 导致…引导宾语,so-called 所谓的….. 翻译:后来它导致了所谓“未来综合电子办公室”的出现。 (2) The major functional components of an office automation system include… 句子组成:the major functional components an office automation 做主语 翻译:办公自动化的主要功能有….. (3) Today's organizations have a wide variety of office automation hardware and software components. 句子组成:hardware and software components 做宾语,and 连接两个并列宾语。 翻译:当今的机构配置了各种各样的办公自动化硬件和软件. (4) An office worker can easily access the entire system through a personal computer sitting on his or her desk. 句子组成:through 通过…引导状语。 翻译:办公室职员能方便地通过自己桌面上的计算机访问整个系统。 (5) It will be possible to change substantially the way people work in an office. 句子组成:it 代上面的条件。 翻译:才可能改变人们在办公室工作的现状。 4. Reading comprehension. A very brief conceptual introduction to time sharing is not an easy task bec ause the term has already become so generalized that it has a great variety of meanings to scores of interesting groups and wide ranges of intelligence levels in such groups. It might be best developed by listing its logical components: simultaneity—a variable number of people can use the computer at essentially the same time; independence—the programs being handled by the system are operated independently of one another without risk of being intermixed or having security breached; immediacy—all requests for computer response receive that response within seconds(or less) of the completion of the required computation, and most often before “action deadlines” occur; spatial illimitability — missiles millions of miles away have operated in real-time; and, earthbound time-sharing users can communicate with the computer by means of teletype, visual displays and scores of other input/output devices which are not generally in close proximity to the central computer, and can be continents away. Time sharing is really the utilization of time. Choose the correct answers for the following brackets. (1) This passage talks about(C). A. immediacy B. simultaneity C. time sharing D. independence (2) It is(B)to give a very brief conceptual introduction to time sharing. A. easy B. difficult C. realistic D. not difficult (3) Which statement is NOT true? (A) A. The concept of time sharing has become generalized. B. The concept of time sharing has the same meaning to all the people

Microsoft office 2000 C. The concept of time sharing is not easy to describe D. The concept of time sharing can be described by listing its logical components (4)Which statement is not mentioned in this passage? (D) A. Independence. B. Simultaneity. C. Spatial illimitability. D. Reliabili Text 2 Microsoft office 2000 Exercises Fill in the blanks (1) Microsoft Office 2000 is an office automation software (2) Microsoft Office 2000 has five types of software (3) Microsoft Office 2000 Premium Edition includes more software than 2000 (4)Microsoft Clipart is on the Microsoft Web site (5)In the Microsoft Office 2000 you work with bounded with a lot of software Microsoft Office applications are very wide Microsoft Office 2000 has the power of improving you productivity. 2. Decide whether the following statements are True or False (1)The Office 2000 suits is bundled in a single way. (2) The total Office package consumes a whopping 100MB (3) To really be serious and utilize Ms Office you will need at least a Pentium class PC 166MHz of higher with at least 16MB RAM (4)You need at least 25 minutes to install the basic package 3. Translate and analyze the following sentences (1) It can help you increase your productivity 句子组成:i指代办公自动化软件。 翻译:它可以帮助你提高你的效率。 (2)Office 2000 is a fully integrated set of tools that work together 句子组成:that引导定语从句修饰 tools e 翻译: Office2000是一些工具的完整的集合 (3) The Office 2000 suits are bundled in a variety of ways 句子组成: in a variety of ways做状语 翻译: Office2000软件包是以不同方式捆绑的。 (4)We found the programs integrated quite well together and ran very smoothly 句子组成:and连接两个宾语补足语。 翻译:我们发现这些程序之间集成的很好。 (5) Now Office 2000 have a far larger footprint than earlier versions 句子组成:than+比较级,比以前的版 翻译:现在的0fice比以前的版本占用了更大的空间

Microsoft Office 2000 3 C. The concept of time sharing is not easy to describe. D. The concept of time sharing can be described by listing its logical components. (4) Which statement is not mentioned in this passage? (D) A. Independence. B. Simultaneity. C. Spatial illimitability. D. Reliability. Text 2 Microsoft Office 2000 Exercises 1. Fill in the blanks. (1) Microsoft Office 2000 is an office automation software. (2) Microsoft Office 2000 has five types of software. (3) Microsoft Office 2000 Premium Edition includes more software than 2000. (4) Microsoft Clipart____is on the Microsoft Web site. (5) In the Microsoft Office 2000 you work with bounded with a lot of software. (6) Microsoft Office applications are very wide. (7) Microsoft Office 2000 has the power of improving you productivity. 2. Decide whether the following statements are True or False. (1) The Office 2000 suits is bundled in a single way. (× ) (2) The total Office package consumes a whopping 100MB. (× ) (3) To really be serious and utilize MS Office you will need at least a Pentium class PC 166MHz of higher with at least 16MB RAM. (× ) (4) You need at least 25 minutes to install the basic package. (× ) 3. Translate and analyze the following sentences. (1) It can help you increase your productivity. 句子组成:it 指代办公自动化软件。 翻译:它可以帮助你提高你的效率。 (2) Office 2000 is a fully integrated set of tools that work together. 句子组成:that 引导定语从句修饰 tools。 翻译:Office 2000 是一些工具的完整的集合。 (3) The Office 2000 suits are bundled in a variety of ways. 句子组成:in a variety of ways 做状语。 翻译:Office 2000 软件包是以不同方式捆绑的。 (4) We found the programs integrated quite well together and ran very smoothly. 句子组成:and 连接两个宾语补足语。 翻译:我们发现这些程序之间集成的很好。 (5) Now Office 2000 have a far larger footprint than earlier versions. 句子组成:than +比较级,比以前的版本。 翻译:现在的 Office 比以前的版本占用了更大的空间

Unit5 Office Automation (6) Office 2000 allows users to easily share documents, E-mail, databases, etc 句子组成:叫 allow sb to允许某人做 翻译; Office2000使用户可以轻易实现文档、电子邮件、数据库等的共 Text 3 Microsoft word 2000 Exercises Fill in the blanks with appropriate words according to the text. (1) Microsoft Word 2000 provides powerful tools for creating and sharing profession (2) Microsoft Word 2000 allows you to create many types of personal and business cations, including word processing annound mic reports, and other forms of written document ( The Microsoft Word Auto Correct. Spelling. and grammar features allow you to proofread documents for errors in spelling and grammar (4)The drawing tools allow you to design impressive 3-D effects by including shadows, textures and curves (5) Microsoft Word makes it possible to access Web pages and search for information 2. Decide whether the following statements are True or False (1)Office 2000 enables you to easily include text, data, and graphics from other Office applications to create high-impact documents (2) The Collect and Paste feature allows you to cut or copy as many as 18 objects. (X) (3) Collect and Paste can be used only within a single Office 2000 application. (×) 3. Multiple choices. (1)Using Microsoft Word 2000 we can create( ABCD A B. spreadsheet (2)The software packages used for proofreading documents for errors include( BCD A. Excel 2000 B. Grammar C. Auto Corr (3)The Collect and Paste can be used( ACD B. within a single Office 2000 application C. to collect obj among multiple Office 2000 appli (4) The desktop publishing tools of the Microsoft Word can help you create( BCD A. a Web B. advertisement C. newsletters D. professional-looking brochures (5)To desig ssive 3-D effects we might use( ABC

Unit 5 Office Automation 4 (6) Office 2000 allows users to easily share documents, E-mail, databases, etc. 句子组成:allow sb to…允许某人做….. 翻译:Office 2000 使用户可以轻易实现文档、电子邮件、数据库等的共享。 Text 3 Microsoft Word 2000 Exercises 1. Fill in the blanks with appropriate words according to the text. (1) Microsoft Word 2000 provides powerful tools for creating and sharing professional documents. (2) Microsoft Word 2000 allows you to create many types of personal and business communications, including word processing announcements, letters, menos, business documents, academic reports, and other forms of written documents. (3) The Microsoft Word AutoCorrect, Spelling, and Grammar features allow you to proofread documents for errors in spelling and grammar. (4) The drawing tools allow you to design impressive 3-D effects by including shadows, textures, and curves. (5) Microsoft Word makes it possible to access Web pages and search for information. 2. Decide whether the following statements are True or False. (1) Office 2000 enables you to easily include text, data, and graphics from other Office applications to create high-impact documents. (√) (2) The Collect and Paste feature allows you to cut or copy as many as 18 objects. (×) (3) Collect and Paste can be used only within a single Office 2000 application. (×) 3. Multiple choices. (1) Using Microsoft Word 2000 we can create ( ABCD ). A. personal communications B. spreadsheet C. business documents D. academic reports (2) The software packages used for proofreading documents for errors include ( BCD ). A. Excel 2000 B. Grammar C. AutoCorrect D. Spelling (3) The Collect and Paste can be used ( ACD ). A. to cut or copy E-mails B. within a single Office 2000 application C. to collect objects D. among multiple Office 2000 applications (4) The desktop publishing tools of the Microsoft Word can help you create ( BCD ). A. a Web page B. advertisements C. newsletters D. professional-looking brochures (5) To design impressive 3-D effects we might use ( ABC )

Microsoft word 2000 A. textures B. curve D. table (6) We can use Microsoft Word to( ABCD A. access Web pages B. insert a hyperlink to a Web page C. create a 3-D column c D. retrieve pictures from other Web pages (7)Microsoft Outlook mail program( ABD A. can be started by clicking the hyperlink in the Web page B. allows you to browse the Web pages C. allows you to send an e-mail D. allows you to compose an e-mai (8)The wizards of the Microsoft Word 2000 is used to( CD B. ask you questions C. assistant you to write a letter D. format the document with your answers 4. Translate and analyze the following sentences (1) Microsoft Word 2000 is a full-featured word processing program that allows you to create many types of personal and business communications 句子组成:tht引导定语从句,来说明 processing program. 翻译:word2000是一个功能齐全的字处理程序可以帮助你进行很多个人的商业的通亻 (2) The Microsoft Word AutoCorrect, Spelling, and Grammar features allow you to B proofread documents for errors in spelling and grammar 子组成: spelling and grammar做定语来说明 errore 翻译:Word2000的 Auto correct、 Spelling和 Grammar程序可以帮助你检査拼写和语 法错误 can be used within a single Office 2000 application or among multiple Office 2000 applications 句子组成: Collect and paste and连接并列主语。 翻译: Collect和 Paste功能可以在单个 Office2000应用程序中使用,也可以在多个 Office2000应用程序中使用。 (4) Floating tables permit you to position a table in an exact location on a page and ther wrap text around the table 句子组成: permit sb to允许某人做 翻译:浮动表格可以 表放在一页的准确位置上,而其周围还可以环绕文 (5)Clicking the hyperlink starts the Microsoft Outlook mail program and allows you to end an e-mail message to the author of the cover letter 句子组成:and连接并列主语, of the cover letter来修饰 author 翻译:单击超链接将启动微软ω utlook邮件程序,于是你就可以向该信函的作者发一封电 处理软件,它能够根据用户需要的风格和类型建立文档

Microsoft Word 2000 5 A. textures B. curve C. shadows D. table (6) We can use Microsoft Word to ( ABCD ). A. access Web pages B. insert a hyperlink to a Web page C. create a 3-D column chart D. retrieve pictures from other Web pages (7) Microsoft Outlook mail program ( ABD ). A. can be started by clicking the hyperlink in the Web page B. allows you to browse the Web pages C. allows you to send an e-mail D. allows you to compose an e-mail (8) The wizards of the Microsoft Word 2000 is used to ( CD ). A. write a letter directly B. ask you questions C. assistant you to write a letter D. format the document with your answers 4. Translate and analyze the following sentences. (1) Microsoft Word 2000 is a full-featured word processing program that allows you to create many types of personal and business communications. 句子组成:that 引导定语从句,来说明 processing program. 翻译:Word 2000 是一个功能齐全的字处理程序,可以帮助你进行很多个人的商业的通信。 (2) The Microsoft Word AutoCorrect, Spelling, and Grammar features allow you to proofread documents for errors in spelling and grammar. 句子组成:spelling and grammar 做定语来说明 error。 翻译:Word 2000 的 Auto Correct、Spelling 和 Grammar 程序可以帮助你检查拼写和语 法错误. (3) Collect and Paste can be used within a single Office 2000 application or among multiple Office 2000 applications. 句子组成:Collect and Paste and 连接并列主语。 翻译:Collect 和 Paste 功能可以在单个 Office 2000 应用程序中使用,也可以在多个 Office 2000 应用程序中使用。 (4) Floating tables permit you to position a table in an exact location on a page and then wrap text around the table. 句子组成:permit sb to 允许某人做… 翻译:浮动表格可以将一个表放在一页的准确位置上,而其周围还可以环绕文字。 (5) Clicking the hyperlink starts the Microsoft Outlook mail program and allows you to send an e-mail message to the author of the cover letter. 句子组成:and 连接并列主语,of the cover letter 来修饰 author。 翻译:单击超链接将启动微软 Outlook 邮件程序,于是你就可以向该信函的作者发一封电 子邮件了。 处理软件,它能够根据用户需要的风格和类型建立文档

Units office automation Text 4 Electronic Commerce Exercises 1. Fill in the blanks with appropriate words according to the text. (1)Electronic data interchange(EDI)on private networks began in the in the 1960s (2) With the increased awareness and popularity of the Internet, electronic commerce has come to encompass individual consumers as well as businesses of all sizes (3) Electronic commerce is defined as the buying and selling of products and services over the Internet (4) Electronic commerce builds on the advantages and structures of traditional commerce. (5) Electronic commerce enables new forms of business, as well as new ways of doing 2. Decide whether the following statements are True or False (1) Banks have been using private networks for EFT. (2) Electronic commerce is used for large businesses only (3) B2B commerce on the Internet will become more of a routine part of commerce than it (4) Electronic commerce is considered as the buying and selling goods and ser vices (×) (5) We can't buy electronic information through Internet (6) A company could not adapt the present view of commerce only for performing its same transactions over electronic networks (7) Electronic commerce supports the transactions generating revenue (√) (8) AMP Inc does not need EDI-based purchase orders and confirmations (×) (9) Electronic commerce enables new forms of business 3. Translate and analyze the following sentences (1)The Internet is already changing the way that many companies conduct their business 句子组成:tht引导一个定语从句,来说明wav。 翻译:互联网正改变着公司经营业务的方式。 its inception, electronic commerce had included the handling of purchas transactions and funds transfers over computer networks 句子组成: from its inception做状语,and连接两个并列宾语。 翻译:丛 (3)It's grown now to include the buying and selling of new commodities such as 句子组成: such as例如来说明 commodities 翻译:到今天其实已发展为可以进行诸如电子信息之类的新商品买卖 (4) Electronic commerce enables new forms of business, as well as new ways of doing

Unit 5 Office Automation 6 Text 4 Electronic Commerce Exercises 1. Fill in the blanks with appropriate words according to the text. (1) Electronic data interchange (EDI) on private networks began in the in the 1960s. (2) With the increased awareness and popularity of the Internet, electronic commerce has come to encompass individual consumers as well as businesses of all sizes. (3) Electronic commerce is defined as the buying and selling of products and services over the Internet. (4) Electronic commerce builds on the advantages and structures of traditional commerce. (5) Electronic commerce enables new forms of business, as well as new ways of doing business. 2. Decide whether the following statements are True or False. (1) Banks have been using private networks for EFT. (√) (2) Electronic commerce is used for large businesses only. (×) (3) B2B commerce on the Internet will become more of a routine part of commerce than it is today. (√) (4) Electronic commerce is considered as the buying and selling goods and services only. (×) (5) We can't buy electronic information through Internet. (×) (6) A company could not adapt the present view of commerce only for performing its same transactions over electronic networks. (×) (7) Electronic commerce supports the transactions generating revenue. (√) (8) AMP Inc does not need EDI-based purchase orders and confirmations. (×) (9) Electronic commerce enables new forms of business. (√) 3. Translate and analyze the following sentences. (1) The Internet is already changing the way that many companies conduct their business. 句子组成:that 引导一个定语从句,来说明 way。 翻译:互联网正改变着公司经营业务的方式。 (2) From its inception, electronic commerce had included the handling of purchase transactions and funds transfers over computer networks. 句子组成:from its inception 做状语,and 连接两个并列宾语。 翻译:从一开始电子商务就包括了对计算机网络上购物事务和资金转账的处理。 (3) It's grown now to include the buying and selling of new commodities such as electronic information. 句子组成:such as 例如…来说明 commodities。 翻译:到今天其实已发展为可以进行诸如电子信息之类的新商品买卖了。 (4) Electronic commerce enables new forms of business, as well as new ways of doing

onic Commerce 句子组成: as well as也、又连接并列的宾语。 翻译:电子商务产生了一些新的商业模式和运营方式 提高训练—语法知识 含有引导词 there的句子结构 练习 1.将下面的句子变成否定句和疑问句 (1) There is an English-Chinese Dictionary on the desk There isnt an English-Chinese Dictionary on the desk. Is there an English-Chinese Dictionary on the desk? (2) There are many people in the street There aren t many p Are there any people in the street? (3) There are some books in my schoolbag There aren't some books in my schoolbag Are there any books in my schoolbag? (4) There is some meat on the plate There isnt some meat on the plate Is there any meat on the plate? (5) There will be a film at eight tonight There wont be a film at eight tonight Will there be a film at eight tonight? 2.翻译下面的句子。 1)你们学校有多少教师?一—大约有150位教师 How many teachers are there in your school?--There are about 150 (2)一定会有很多人对这个计划感兴趣。 There may be a lot of people interested in this plan (3)这本书里有一两处我们要注意 There is one or two things for us to notice about this lesson (4)一位百岁老人在这个房子里住过 There lived a 100-year-old man in this house (5)没有什么重要的事情。 There is nothing important 提高训练—写作知识

Electronic Commerce 7 business. 句子组成:as well as 也, 又连接并列的宾语。 翻译:电子商务产生了一些新的商业模式和运营方式。 提高训练——语法知识 含有引导词 there 的句子结构 练习 1. 将下面的句子变成否定句和疑问句。 (1) There is an English-Chinese Dictionary on the desk. There isn’t an English-Chinese Dictionary on the desk. Is there an English-Chinese Dictionary on the desk? (2) There are many people in the street. There aren’t many people in the street. Are there any people in the street? (3) There are some books in my schoolbag. There aren’t some books in my schoolbag. Are there any books in my schoolbag? (4) There is some meat on the plate. There isn’t some meat on the plate. Is there any meat on the plate? (5) There will be a film at eight tonight. There won’t be a film at eight tonight. Will there be a film at eight tonight? 2. 翻译下面的句子。 (1) 你们学校有多少教师?——大约有 150 位教师。 How many teachers are there in your school? ——There are about 150. (2) 一定会有很多人对这个计划感兴趣。 There may be a lot of people interested in this plan. (3) 这本书里有一两处我们要注意。 There is one or two things for us to notice about this lesson. (4) 一位百岁老人在这个房子里住过。 There lived a 100-year-old man in this house. (5) 没有什么重要的事情。 There is nothing important. 提高训练——写作知识

Units office automation 分类与分析 范文 A file is a collection of data that is stored together. Files can be stored on a hard drive, a floppy disk, or a CD. Everything that a computer does is based on data stored in files. You can do lots of things with files -create them. name them. rename them. save them or delete them Certain files can even be looked at, listened to, and run. In some ways, files are like television shows. All TV shows have 3 things, just like computer files: Name, Location, Length 练习 Write an outline classifying the computer input and output devices. Note: some devices are just input devices, and some others are output ones, but still others can be both input and output devices 写一个有关计算机输入输出设备分类的文章,注意,有些是输入设备,有些是输出设备, 有些既是输入设备又是输出设备,字数在100~150字

Unit 5 Office Automation 8 分类与分析 范文 A file is a collection of data that is stored together. Files can be stored on a hard drive, a floppy disk, or a CD. Everything that a computer does is based on data stored in files. You can do lots of things with files-create them, name them, rename them, save them, or delete them. Certain files can even be looked at, listened to, and run. In some ways, files are like television shows. All TV shows have 3 things, just like computer files: Name, Location, Length. 练习 Write an outline classifying the computer input and output devices. Note: some devices are just input devices, and some others are output ones, but still others can be both input and output devices. 写一个有关计算机输入输出设备分类的文章,注意,有些是输入设备,有些是输出设备, 有些既是输入设备又是输出设备,字数在 100~150 字

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