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● One tool that is useful during both analysis and design is the （72） ,which is a pictorial representation of the items of information(entities) within the system and the relationships between these pieces of information.
（72）
A．data dictionary
B．dataflow diagram
C．use case diagram
D．entity-relationship diagram
参考答案
更多 “ ● One tool that is useful during both analysis and design is the （72） ,which is a pictorial representation of the items of information(entities) within the system and the relationships between these pieces of information.（72）A．data dictionaryB．dataflow diagramC．use case diagramD．entity-relationship diagram ” 相关考题
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●When you choose a command name that is followed by"…"on menu，a (72) box appears in which you provide more information．(72) A．dialogB．listC．checkD．text
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●Models drawn by the system analysts during the process of the structured analysis are(72).(72) A.PERTsB.EMVC.UMLsD. DFDs
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●Thebasic concept of a data (72) is the difference between data and information.(72) A．warehouseB．storageC．baseD．service
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●Traditional structured analysis techniques focus upon the flow of(71)within a system Object-oriented analysis emphasizes the building of real-world models It examines requirements from the perspective of the classes and objects found in the vocabulary of the(72)domainTraditional system design method emphasizes the proper and effective structure of a complex systemObject-oriented design method encompasses the process of object-oriented decomposition and a(73)for depicting both logical and physical as well as static and dynamic models of the system under designObject-oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an(74)of some class, and whose classes are all members of a hierarchy of classes united via(75)relationships(71)A.control B.program C.data D.reference(72)A.problem B.solution C.data D.program(73)A.mark B.picture C.symbol D.notation(74)A.instance B.example C.existence D.implementation(75)A.control B.inheritance C.inference D.connection
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One tool that is useful during both analysis and design is the ______，which is a pictorial representation of the items of infonnation(entities)within the system and the relationships between these pieces of information．A．data dictionaryB．dataflow diagramC．use case diagramD．entity-relationship diagram
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● Information systems design is defined as those tasks that focus on the specification of a detailed computer-based solution. Typically, there are four systems design tasks for in-house development.1) The first task is to specify （71） , which defines the technologies to be used by one, more, or all information systems in terms of their data, processes, interfaces, and network components. This task is accomplished by analyzing the data models and process models that are initially created during requirements analysis.2) The next systems design task is to develop the （72） . The purpose of this task is to prepare technical design specifications for a database that will be adaptable to future requirements and expansion.3) Once the database prototype has been built, the systems designer can work closely with system users to develop input, output and dialogue specifications. The （73） must be specified to ensure that the outputs are not lost, misrouted, misused, or incomplete.4) The fourth design task involves packaging all the specifications from the previous design tasks into a set of specifications that will guide the （74） activities during the following phases of the systems development methodology.Finally, we should （75） and update the project plan accordingly. The key deliverable should include a detailed plan for the construction phase that should follow.（71）A. an application architectureB. a distributed systemC. a system scopeD. a system physical model（72）A. database design specificationsB. database organization decisionsC. data structure specificationsD. data distribution decisions（73）A. format and layoutB. transaction detailsC. additional instructionsD. internal controls（74）A. system administrator’sB. system analyst’sC. computer programmer’sD. system designer’s（75）A. adjust the project scheduleB. reevaluate project feasibilityC. evaluate vendor proposalsD. select the best vendor proposal
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● The function of （72） is to convert information from one physical representation to digital electrical signals.（72）A. I/O devicesB. diskC. memoryD. CPU
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An Enterprise Resource Planning(ERP) is built upon a commercial(71)that promises the seamless(72)of all the information flowing through the company -- financial, accounting, human resources, supply chain and customer information. In implementation, all ERP systems include several features. The system is installed on a typical database management system. It requires initial setup according to the organization's process, but it may be(73)according to the organization's unique process requirements through a tool set contained within the ERP applications. Using ERP,(74)can be prescribed to automate approval processes through established chains of commanD. One of the methods used to effect rapid implementation of the ERP system is to conduct concurrent(75)sessions during the early stages of ERP implementation.A．operating systemB．middlewareC．software packageD．management system
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●An Embedded System is a (72)designed for specific control functions within a larger system.(72) A． computerB． programC．computer systemD．tool
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Traditional structured analysis techniques focus upon the flow of(1)within a system. Object-oriented analysis emphasizes the building of real-world models, It examines requirements from the perspective of the classes and objects found in the vocabulary of the(2)domain.Traditional system design method emphasizes the proper and effective structure of a complex system. Object-oriented design method encompasses the process of object- oriented decomposition and a(3)for depicting both logical and physical as well as static and dynamic models of the system under design.Object-oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an(4)of some class, and whose classes are all members of a hierarchy of classes united via(5)relationships.A．controlB．programC．dataD．reference
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analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the(72)for designing and constructing an improved system.(73)is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called(74).(75)is another such technique that integrates data and process concerns into constructs called objects.A．PrototypingB．AcceleratedC．Model-drivenD．Iterative
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Traditional structured analysis techniques focus upon the flow of(71)within a system. Object - oriented analysis emphasizes the building of real - world models. It examines requirements from the perspective of the classes and objects found in the vocabulary of the(72)domain.Traditional system design method emphasizes the proper and effective structure of a complex system. Object -oriented design method encompasses the process of object -oriented decomposition and a(73)for depicting both logical and physical as well as static and dynamic models of the system under design.Object - oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an(74)of some class, and whose classes are all members of a hierarchy of classes united via(75)relationships.A．controlB．programC．dataD．reference
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●The traditional model for systems development was that an IT department used (71)which is a process-centered technique, and consulted users only when their input or approval was needed. Compared with traditional methods, many companies find that JAD allows key users to participate effectivelyin the (72). When properly used, JAD can result in a more accurate statement of system requirements, a better understanding of common goals and a stronger commitment to the success of the new system. RAD is a team-based technique that speeds up information systems development and produces a functiog.information system. Whilethe end productof jAD is a(an)(73),theendproduct of RAD is the (74) .The RAD model consists offour phases. During the(75),users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs.(71) A. structured analysisB. object-oriented analysisC. prototype analysisD. process analysis(72) A. initial scope definitionB. requirements modeling processC. object modeling processD. architecture design process(73) A. data flow diagramB. entity relationstip modelC. requirements modelD. object model(74) A. system proposalB. system design modelC. new system architectureD. new information system(75) A. requirements planning phaseB. user design phaseC. construction phaseD. cutover phase
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● A project management technique that is currently in widespread use is the （71） . The purpose of this technique is to detail, in hierarchical fashion, all of the activities that are required to meet project objectives. There are some special activities called （72） , which are events that signify the accomplishment or completion of major deliverables during the project. Most system development methodologies also provide （73） , whose purpose is to contain the various pieces of relevant information – feasibility assessments, schedules, needs analysis, and so forth – in a single place so that they can be presented to project clients and other related parties. Several types of important network diagrams are used in project management. （74） was developed to make clear the interdependence between project tasks before those tasks are scheduled. （75） offers the advantage of clearly showing overlapping tasks.
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Models drawn by the system analysts during the process of the structured analysis are(72).A.PERTsB.EMVC.UMLsD.DFDs
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The objective of （ ）is to determine what parts of the application software will be assigned to what hardware.The major software components of the system being developed have to be identified and then allocated to the various hardware components on which the system will operate. All software systems can be divided into four basic functions. The first is（ ）. Most information systems require data to be stored and retrieved,whether a small file,such as a memo produced by a word processor,or a large database,such as one that stores an organizations accounting records. The second function is the （ ）,the processing required to access data,which often means database queries in Structured Query Language. The third function is the （ ）,which is the logic documented in the DFDs,use cases,and functional requirements.The fourth function is the presentation logic,the display of information to the user and the acceptance of the users commands.The three primary hardware components of a system are （ ）.A.architecture design B.modular design C.physical design D.distribution design A.data access components B.database management system C.data storage D.data entities A.data persistence B.data access objects C.database connection D.dataaccess logic A.system requirements B.system architecture C.application logic D.application program A.computers,cables and network B.clients,servers,and network C.CPUs,memories and I/O devices D.CPUs,hard disks and I/O devices
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试题(71)～(75)The analysis phase answers the questions of who will use the system, what the system will do, and where and when it will be used. During this phase, the project team investigates ny current system,identifies (71) , and develops a concept for the new system. This phase as three steps: first, (72) is developed to guide the project team's efforts. It usually ncludes an analysis of the current system and its problems, and the ways to design a new ystem. The next step is (73) The analysis ofthis information - in conjunction withinput rom the project sponsor and many other people - leads to the development of a concept for a ew system. The system concept is then used as a basis to develop a set ofbusiness analysis odels that describes how the business will operate if the new system were developed. The set of models typically includes models that represent the (74) necessary to support the nderlying business process. Last, the analyses, system concepts, and models are combined nto a document called the (75), which is presented to the project sponsor and other key ecision makers that decide whether the project should continue to move forward.(71) A. improvementopportunitiesB. logicalmodelC. systemrequirementsD. systemarchitecture(72) A. a user manualB. an analysis strategyC. an analysis use caseD. a design user case(73) A. project scope definitionB. prob,lems analysisC. decisionanalysisD. requirementsgathering(74) A. dataandprocessesB. systeminfrastructuresC. externalagentsD. systemsoftware(75) A. requirementsstatementB. designspecificationC. systemproposalD. project charter
考题
● （71） analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems. Ultimately, the system models become the （72） for designing and constructing an improved system. （73） is such a technique. The emphasis in this technique is process-centered. Systems analysts draw a series of process models called（74） . （75） is another such technique that integrates data and process concerns into constructs called objects.（71）A. PrototypingB. AcceleratedC. Model-drivenD. Iterative（72）A. imageB. pictureC. layoutD. blueprint（73）A. Structured analysisB. Information EngineeringC. Discovery PrototypingD. Object-Oriented analysis（74）A. PERTB. DFDC. ERDD. UML（75）A. Structured analysisB. Information EngineeringC. Discovery PrototypingD. Object-Oriented analysis
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System analysis is traditionally done top-down using structured analysis based on (71) ．Object-oriented analysis focuses on creation of models．The three types of the analysis model are (72) ．There are two substages of object-oriented analysis． (73) focuses on real-world things whose semantics the application captures．The object constructed in the requirement analysis shows the (74) of the real-world system and organizes it into workable pieces． (75) addresses the computer aspects ofthe application that are visible to users．The objects are those which can be expected to vary from time to time quite rapidly．（71）A．functional decompositionB．object abstractionC．data inheritanceD．information generalization
考题
The term computer describes a device made up of a combination of electronic components．By itself, a computer has no ( 1) and is referred to as hardware, which means simply the physical equipment． The hardware can't be used until it is connected to other elements, all of which constitute the six parts of a computer-based information system,hardware,software,data/information, people, procedures and communications．
A system is defined as a collection of related components that ( 72) to perform a task in order to accomplish a goal． Any organization that uses information technology will have a computer-based information system to provide managers (and various categories of employees with the appropriate kind of information to help them make decisions．
Systems analysis and design is to ascertain how a system works and then take steps to make it (73 ) Often, a system approach is used to define, describe, and solve a problem or to meet a(an)（ 74）
From time to time, organizations need to (75 ) their information systems, in, response to new marketing' opportunities, modified government regulations, the introduction ．of new technology, merger with another company, or other developments． When change is needed, the time is ripe for applying the principles of systems analysis and design．
（1）应选（ ）。
A. information
B. software
C. intelligence
D. Data
考题
（ ）analysis emphasizes the drawing of pictorial system models to document and validate both existing and/or proposed systems.Ultimately,the system models become the（ ）for designing and constructing an improved system.（ ）is such a technique.The emphasis in this technique is process-centered.Systems analysts draw a series of process models called（ ）、（请作答此空）is another such technique that integrates data and process concerns into constructs called objects.A.Structured analysis
B.Information Engineering
C.Discovery Prototyping
D.Object-Oriented analysis
考题
The purpose of the systems analysis phase is to build a logical model of the new system.The first step is（71），where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the（72）. You use the fact-finding results to build business models，data and process models，and object models. The deliverable for the systems analysis phase is the（73），which describes management and user requirements，costs and benefits，and outlines alternative development strategies.The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system. During the systems design phase，you need to determine the（74），which programmers will use to transform the logical design into program modules and code. The deliverable for this phase is the（75），which is presented to management and users for review and approval.A.system charter
B.system scope definition
C.system blueprint
D.system requirements document
考题
The purpose of the systems analysis phase is to build a logical model of the new system.The first step is（71），where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the（72）. You use the fact-finding results to build business models，data and process models，and object models. The deliverable for the systems analysis phase is the（73），which describes management and user requirements，costs and benefits，and outlines alternative development strategies.The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system. During the systems design phase，you need to determine the（74），which programmers will use to transform the logical design into program modules and code. The deliverable for this phase is the（75），which is presented to management and users for review and approval.A.systems planning phase
B.systems modeling phase
C.systems analysis phase
D.systems design phase
考题
The purpose of the systems analysis phase is to build a logical model of the new system.The first step is（71），where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the（72）. You use the fact-finding results to build business models，data and process models，and object models. The deliverable for the systems analysis phase is the（73），which describes management and user requirements，costs and benefits，and outlines alternative development strategies.The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system. During the systems design phase，you need to determine the（74），which programmers will use to transform the logical design into program modules and code. The deliverable for this phase is the（75），which is presented to management and users for review and approval.A.system architecture description
B.system design specification
C.system technique architecture
D.physical deployment architecture
考题
The purpose of the systems analysis phase is to build a logical model of the new system.The first step is（71），where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the（72）. You use the fact-finding results to build business models，data and process models，and object models. The deliverable for the systems analysis phase is the（73），which describes management and user requirements，costs and benefits，and outlines alternative development strategies.The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system. During the systems design phase，you need to determine the（74），which programmers will use to transform the logical design into program modules and code. The deliverable for this phase is the（75），which is presented to management and users for review and approval.A.system logical modeling
B.use case modeling
C.requirements modeling
D.application modeling
考题
The purpose of the systems analysis phase is to build a logical model of the new system.The first step is（71），where you investigate business processes and document what the new system must do to satisfy users. This step continues the investigation that began during the（72）. You use the fact-finding results to build business models，data and process models，and object models. The deliverable for the systems analysis phase is the（73），which describes management and user requirements，costs and benefits，and outlines alternative development strategies.The purpose of the systems design phase is to create a physical model that will satisfy all documented requirements for the system. During the systems design phase，you need to determine the（74），which programmers will use to transform the logical design into program modules and code. The deliverable for this phase is the（75），which is presented to management and users for review and approval.A.application architecture
B.system datA.model
C.system process model
D.implement environment
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