信息管理专业英语教程unit8
- 格式:ppt
- 大小:336.00 KB
- 文档页数:20
TELECOMMUNICATIONSANDNETWORKSOBJECTIVES•What technologies are used in telecommunications systems?•What telecommunications transmission media should our organization use?•How should our organization design its networks?OBJECTIVES•What alternative network services are available to our organization?•What telecommunications applications can be used for electronic commerce and electronic business?MANAGEMENT CHALLENGES •Managing LANs •Managing bandwidthTHE TELECOMMUNICA TIONS REVOLUTION •Telecommunications:Communication of information by electronic means•The marriage of computers and communications:The 1996Telecommunications Deregulation andReform Act•The Information Superhighway: High-speed digital telecommunicationsnetworks, accessible by the generalpublicCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Telecommunications System Components •Computers to process information•Terminals or any input/output devices that send or receive data •Communications processors •Communications softwareCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Components of a Telecommunications SystemFigure 8-1COMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Functions of Telecommunications Systems •Transmit information•Establish interface between sender and the receiver•Route messages along most efficient pathsCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Functions of Telecommunications Systems •Perform elementary processing of information•Perform editorial tasks on data•Convert message speed or format•Control flow of informationCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Types of Signals: Analog and DigitalAnalog signal•Continuous waveform•Passes through communications medium •Used for voice communicationsCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Types of Signals: Analog and DigitalDigital signal•Discrete waveform•Transmits data coded into two discrete states as 1-bits and 0-bits•Used for data communicationsModem•Translates computer’s digital signals into analog and vice versaCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEMFunctions of the ModemFigure 8-2COMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEMCommunications Channels•Twisted wire:Telephone systems •Coaxial cable:Cable television•Fiber optics and optical networks: Dense wave division multiplexing (DWDM)COMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEMCommunications Channels•Wireless transmission:Microwave, Satellites, Paging systems, Cellulartelephones, Personal communicationServices, Personal digital assistants,Mobile data networks •Transmission:Baud, bandwidthCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Frequency Ranges for Communications Media and DevicesFigure 8-3Figure 8-4COMMUNICA TIONS NETWORKSAmoco’s Satellite Transmission SystemCOMPONENTS AND FUNCTIONS OF A TELECOMMUNICA TIONS SYSTEM Communications Processors and Software•Front-end processor:Manages communications for the host computer•Concentrator:Collects and temporarily stores messages•Controller:Supervises communication traffic•Multiplexer:Enables singlecommunication channel to carry datatransmissionsCOMMUNICA TIONS NETWORKSNetwork Topologies•Star Network:All computers and other devices are connected to a central hostcomputer•Bus Network:Links a number of computers by a single circuit•Ring Network:All computers are linked by a closed loopA Star Network TopologyCOMMUNICA TIONS NETWORKSFigure 8-5A Bus Network TopologyCOMMUNICA TIONS NETWORKSFigure 8-6A Ring Network TopologyCOMMUNICA TIONS NETWORKSCOMMUNICA TIONS NETWORKSPrivate Branch Exchanges, Local Area Networks (LANs), and Wide Area Networks (WANs) Private Branch Exchanges•Central switching system•Handle firm’s voice and digitalcommunicationsCOMMUNICA TIONS NETWORKSPrivate Branch Exchanges, Local Area Networks (LANs), and Wide Area Networks (WANs) Local Area Networks•Telecommunication network•Require its own dedicated channels•Encompass a limited distance•Gateway, router, Network OperatingSystem (NOS), peer-to-peerCOMMUNICA TIONS NETWORKS A Local Area Network (LAN)COMMUNICA TIONS NETWORKSPrivate Branch Exchanges, Local Area Networks (LANs), and Wide Area Networks (WANs) Wide Area Networks (WANs)•Telecommunication network•Span large geographical distance•Consist of variety of cable, satellite, and microwave technologies•Switched lines, dedicated linesValue-Added Networks (VANs)•Private, multipath, data-only, third-party-managed networkOther Network Services•Packet switching, Frame Relay, Asynchronous transfer mode (ATM)•Integrated Services Digital Network (ISDN), Digital subscriber line (DSL), Cable modems, T1 line, Broadband Network Services and Broadband TechnologiesCOMMUNICA TIONS NETWORKSPacked-Switched Networks and Packet CommunicationsCOMMUNICA TIONS NETWORKSCOMMUNICA TIONS NETWORKSNetwork ConvergenceConverged network•Network with technology•Enables voice and data to run over a single networkUnified messaging•System combining voice messages, email, and faxCOMMUNICA TIONS NETWORKSElectronic Commerce and Electronic Business Technologies Electronic Mail and Groupware•E-mail:Eliminates telephone tag and costly long-distance telephone charges •Groupware:Enables work groups at different locations to participate indiscussion forums and work on shared documents and projectsCOMMUNICA TIONS NETWORKSElectronic Commerce and Electronic Business Technologies Voice Mail and Fax•Voice mail:Digitizes spoken message and transmits it over a network •Fax:Digitizes and transmits documents over telephone linesCOMMUNICA TIONS NETWORKSElectronic Commerce and Electronic Business Technologies Teleconferencing, data conferencing, and videoconferencing •Teleconferencing:Ability to confer with a group of people simultaneously •Data conferencing:Two or more users can edit and modify data filessimultaneously •Videoconferencing:Participants are able to see each other over videoscreensCOMMUNICA TIONS NETWORKSElectronic Commerce and Electronic Business Technologies Digital information services, distance learning and E-Learning•Distance learning:Education or training delivered over a distance to individuals in one or more locations•E-learning:Instruction delivered online using the Internet or private networksCOMMUNICA TIONS NETWORKSElectronic Data Interchange•Direct computer-to-computer exchange between two organizations of standard business transaction documentsElectronic Data Interchange (EDI)Figure 8-10COMMUNICA TIONS NETWORKSTELECOMMUNICATIONSANDNETWORKS。
管理信息系统英文教材Management Information Systems (MIS) TextbookIntroduction:In the fast-paced and dynamic business world, the effective management of information has become paramount for organizations to gain a competitive edge. Management Information Systems (MIS) play a crucial role in this process by facilitating the collection, processing, and dissemination of data to support managerial decision-making. This article aims to present an overview of the key components and topics that should be covered in an English textbook for studying Management Information Systems.Chapter 1: Introduction to Management Information Systems- Definition and importance of Management Information Systems- Historical development and evolution of MIS- Role of MIS in supporting organizational objectives and strategies- Ethical considerations in MISChapter 2: Information Systems and Business Processes- Understanding the concept of business processes- Relationship between information systems and business processes- Role of information systems in streamlining and improving business processes- Case studies illustrating the impact of information systems on business efficiencyChapter 3: Data and Information Management- Difference between data and information- Data storage and retrieval systems- Database management systems and their importance in MIS- Data governance and data quality managementChapter 4: Information Systems Infrastructure- Components and architecture of an information systems infrastructure- Hardware, software, and network resources used in MIS- Cloud computing and its role in information systems infrastructure- Security considerations in managing an information systems infrastructureChapter 5: Business Intelligence and Analytics- Concept and benefits of business intelligence (BI)- Techniques and tools used in BI and data analytics- Application of BI in decision-making processes- Predictive analytics and its role in strategic planningChapter 6: Enterprise Systems- Overview of enterprise systems (ERP, CRM, SCM)- Integration of enterprise systems and their benefits- Case studies showcasing the successful implementation of enterprise systems- Challenges and risks associated with implementing enterprise systemsChapter 7: E-commerce and E-business- Introduction to e-commerce and e-business models- Role of information systems in supporting online transactions- Security and privacy concerns in e-commerce- Mobile commerce and its impact on business operationsChapter 8: Social, Ethical, and Legal Issues in MIS- Ethical considerations in the use of information systems- Legal frameworks and regulations governing MIS usage- Privacy and security issues in managing information systems- Social implications of MIS and its impact on societyConclusion:A comprehensive and well-structured English textbook on Management Information Systems is vital for students to grasp the fundamental concepts and principles underlying the effective management of information in organizations. By covering topics such as MIS introduction, information systems and business processes, data management, information systems infrastructure, business intelligence and analytics, enterprise systems, e-commerce and e-business, and social, ethical, and legal issues, this textbook equips students with the necessary knowledge and skills to excel in the field of MIS.。
信息管理专业英语教程第三版Unit8课后习题答案1、31.That's ______ interesting football game. We are all excited. [单选题] *A.aB.an(正确答案)C.theD./2、The man lost his camera and he ______ it now.()[单选题] *A. foundB. is findingC. is looking forD. looks for(正确答案)3、I live a very quiet and peaceful life. [单选题] *A. 宁静的(正确答案)B. 舒适的C. 和平的D. 浪漫的4、16.Lily is a lovely girl. We all want to ________ friends with her. [单选题] *A.haveB.make(正确答案)C.doD.take5、—What ______ your sister ______ this Saturday?—Something special, because it’s her birthday. ()[单选题] *A. are; going to doB. is; going to do(正确答案)C. does; doD. did do6、More than one student_____absent from the class yesterday due to the flu. [单选题] *A.areB.hasC.isD.was(正确答案)7、85.You’d better? ? ? ? ? a taxi, or you’ll be late. [单选题] *A.take(正确答案)B.takingC.tookD.to take8、I hope to see you again _______. [单选题] *A. long long agoB. long beforeC. before long(正确答案)D. long9、95--Where and when _______ you _______ it? [单选题] *A. did; buy(正确答案)B. do; buyC. have; boughtD. will; buy10、He prefers to use the word “strange”to describe the way()she walks. [单选题] *A. in which(正确答案)B. by whichC. in thatD. by that11、His mother’s _______ was a great blow to him. [单选题] *A. diedB. deadC. death(正确答案)D. die12、The Internet is an important means of()[单选题] *A. conversationB. communication(正确答案)C. speechD. language13、76.—Could you tell me ________the bank?—Turn right and it's on your right. [单选题]* A.how get toB.how to getC.how getting toD.how to get to(正确答案)14、If people _____ overanxious about remembering something, they will forget it. [单选题] *A. will beB. would beC. wereD. are(正确答案)15、Sorry, I can't accept your invitation. [单选题] *A. 礼物B. 观点C. 邀请(正确答案)D. 好意16、A?pen _______ writing. [单选题] *A. is used toB. used toC. is used for(正确答案)D. used for17、How can I _______ the nearest supermarket? [单选题] *A. get offB. get upC. get to(正确答案)D. get on18、Jim wants to hang out with his friends at night, but his parents don’t allow him ______ so. ()[单选题] *A. doB. doneC. to do(正确答案)D. doing19、49.________ is the price of the product? [单选题] *A.HowB.How muchC.What(正确答案)D.How many20、---Excuse me sir, where is Room 301?---Just a minute. I’ll have Bob ____you to your room. [单选题] *A. show(正确答案)B. showsC. to showD. showing21、____ is standing at the corner of the street. [单选题] *A. A policeB. The policeC. PoliceD. A policeman(正确答案)22、E-mail is _______ than express mail, so I usually email my friends. [单选题] *A. fastB. faster(正确答案)C. the fastestD. more faster23、This message is _______. We are all _______ at it. [单选题] *A. surprising; surprisingB. surprised; surprisedC. surprising; surprised(正确答案)D. surprised; surprising24、You can't rely on Jane as she is _____ changing her mind and you will never know what she isgoing to do next. [单选题] *A. occasionallyB. rarelyC. scarcelyD. constantly(正确答案)25、Have you done something _______ on the weekends? [单选题] *A. special(正确答案)B. soreC. convenientD. slim26、—Can you play tennis? —______, but I’m good at football.()[单选题] *A. Yes, I can(正确答案)B. Yes, I doC. No, I can’tD. No, I don’t27、—Where are you going, Tom? —To Bill's workshop. The engine of my car needs _____. [单选题] *A. repairing(正确答案)B. repairedC. repairD. to repair28、_____ to wait for hours,she brought along a book to read. [单选题] *A. ExpectedB. Expecting(正确答案)C. ExpectsD. To expect29、_____ yuan a month _____ not enough for a family of three to live on today. [单选题] *A. Five hundred; is(正确答案)B. Five hundreds; areC. Five hundred; areD.Five hundreds; is30、We are very hungry now. Can you _______ us something to eat? [单选题] *A. carryB. takeC. borrowD. bring(正确答案)。
《信息管理与信息系统专业英语》教 案目录Unit 1 Management Information SystemUnit 2 Information Systems and OrganizationsUnit 3 Database Management SystemsUnit 4 Management Information Systems Development Unit 5 Systems’ Success and FailureUnit 6 Application of Information SystemsUnit 7 Decision Support SystemsUnit 8 Information SecurityUnit 9 Internet EconomyUnit 10 Knowledge ManagementUnit 11 Data MiningUnit 12 Data Warehouse and OLAPUnit 1 Management Information System教学目的及要求1.掌握本单元的专业词汇;2.理解并掌握文中复杂句子所涉及的语法知识;3.流利朗读及翻译课文;4.了解与管理信息系统的基本概念。
主要教学内容授课方式学时分配Text 课堂讲授2学时New WordsPhrases AbbreviationsNotesQuestions for Discussion 课堂讲授课堂讲授课堂讲授课堂讲授课堂讨论1学时Supplementary Reading 引导自学1学时Material for Self-study 学生自学—教学重点与难点[教学重点]:掌握与本文相关的重点词汇,了解管理信息系统的基础知识。
[教学难点]:专业词汇的识别及记忆,连词+过去分词的用法。
教学手段以学生朗读、翻译为主,教师对重点专业词汇及较难懂的句子给以讲述;教师引导学生进行思考题的讨论,锻炼学生的口语表述能力和对专业知识的理解。