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31.Which statement is not true? A systems design walkthrough a.is conducted by a quality assurance group b.occurs just after system implementation c.simulates the operation of the system in order to uncover errors and omissions d.reduces costs by reducing the amount of reprogramming 32.System documentation is designed for all of the following groups except a.systems designers and.
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11.A tangible benefit a.can be measured and expressed in financial terms b.might increase revenues c.might decrease costs d.all of the above 12.Intangible benefits a.are easily measured b.are of relatively little importance in making information system decisions c.are sometimes estimated using customer satisfaction surveys d.when measured, do not lend themselves to manipulation 13.Which technique is least likely to be used to.
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SHORT ANSWER 1.Define ERP. 2.Define the term “core applications” and give some examples. 3.Define OLAP and give some examples. 4.What is “bolt-on” software? 5.What is SCM software? 6.What is a data warehouse? 7.What is the “Big-Bang” approach? 8.Describe the two-tier client server model. .
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MULTIPLE CHOICE 1.When studying the detailed feasibility of a new project a.prototyping does not affect the schedule feasibility analysis b.the need for user training will influence the schedule feasibility analysis c.protection from fraud and errors will influence the schedule feasibility analysis d.a cost-benefit review will affect the schedule feasibility analysis 2.Protection from inadvertent disclosures of confidential.
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SHORT ANSWER 1.What is a user view? 2.What do the letters ‘R,’ ‘E,’ and ‘A’ stand for in the term “REA model”? 3.Explain the relationship between operating events, information events, and decision/management events. How is the relationship circular? 4.What questions help identify operating events? 5.Define the following: economic resources, economic events, and economic agents. 6.Classify each.
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11.Part of systems planning is a project feasibility study. Several feasibility issues can be raised. What are they? Explain the key concerns. 12.Explain the role of accountants in the conceptual design stage. 13.Classify each of the following as either a one-time or recurring costs: 14.What is competency analysis and why do managers do.
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31.The accountant’s role in systems analysis includes all of the following except a.specify audit trail requirements b.prepare data gathering questionnaires c.suggest inclusion of advanced audit features d.ensure mandated procedures are part of the design 32.The role of the steering committee includes a.designing the system outputs b.resolving conflicts that arise from a new system c.selecting the programming techniques to.
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9.What is the client-server model? 10.What is scalability? 11.What is data mining? 12.Why do ERP systems need bolt-on software? Give an example. 13.How can a firm acquire bolt-on software? What are the options? 14.Why does data need to be “cleansed”? 15.What are the basic stages of the data warehousing process? .
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ESSAY 1.How are OLTP and OLAP different? Give examples of their use. 2.Why does the data warehouse need to be separate from the operational databases? 3.If an auditor suspected an “unusual” relationship between a purchasing agent and certain suppliers, how could “drill-down” be used to collect data? 4.Why must an organization expect the implementation.
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8.Which statements about data warehousing is not correct? a.The data warehouse should be separate from the operational system. b.Data cleansing is a process of transforming data into standard form. c.Drill-down is a data-mining tool available to users of OLAP. d.Normalization is an requirement of databases included in a data warehouse. 9.Which statement about ERP installation.
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5.Contrast the feasibility study performed in the systems analysis phase of the Systems Development Life Cycle (SDLC) with the study performed in the systems selection phase of the SDLC. 6.Explain why the Systems Development Life Cycle is of interest to accountants. What is the accountant’s role in the Systems Development Life.
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ESSAY 1.Explain the five stages of the systems development life cycle? 2.What is the balanced scorecard? 3.Define the feasibility measures that should be considered during project analysis and give an example of each. 4.Explain the role of accountants in the conceptual design stage. .
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ESSAY APPENDIX QUESTION 1.Contrast a LAN and a WAN. Typically, who owns and maintains a WAN? 2.Describe the basic differences between the star, ring, and bus topologies. 3.What security questions must be considered with regard to Internet commerce? 4.What is the World Wide Web? 5.Discuss the three levels of Internet business models. .
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21.Correctly designed, processing modules are tightly coupled and have strong cohesion. 22.A system walkthrough occurs after the system is implemented. 23.The detailed design report is the “blueprint” which guides programmers and database administrators in constructing the physical system. 24.When a program module is tested, both good and bad data are included with the.
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APPENDIX QUESTION 14.When are networks connected with a bridge and with a gateway? 15.Describe an advantage to the client/server topology. 16.Describe one primary advantage of polling as a network control method. 17.Describe one disadvantage to carrier sensing as a network control method. 18.Why is network control needed? What tasks are performed? 19.Define WAN, LAN, and VAN. 20.What.
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TRUE/FALSE 1.The majority of the cost of a system is incurred in the new systems development phase of the life cycle. 2.According to the text, a stakeholder is an end user of a system. 3.The objective of systems planning is to link systems projects to the strategic objectives of the firm. 4.The Systems Development.
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TRUE/FALSE 1.According to the REA philosophy, information systems should support only the needs of accounting professionals. 2.Many believe that the accounting profession should shift away from debits and credits toward providing information that assists decision-making. 3.Modern managers need both financial and nonfinancial information that traditional GAAP-based accounting systems are incapable of providing. 4.The REA.
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6.Define risk in an electronic commerce setting. 7.Discuss the four areas of concern as they are related to e-commerce: data security, business policy, privacy, and business process integrity. 8.Define and contrast digital certificate and digital signature. 9.Explain the function of the two parts of the TCP/IP protocol. 10.What are network protocols? What functions do.
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TRUE/FALSE 1.The detailed design phase of the Systems Development Life Cycle is a linear process with each of five steps occurring once and in its proper sequence. 2.In a Computer Aided Software Engineering (CASE) environment, the most important use of a data flow diagram is to present a graphic display of the.
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MULTIPLE CHOICE APPENDIX QUESTION 1.The primary difference between a LAN and a WAN is a.the geographical area covered by the network b.the transmission technology used c.the type of workstation used d.the size of the company 2.To physically connect a workstation to a LAN requires a a.file server b.network interface card c.multiplexer d.bridge 3.One advantage of network technology is a.bridges and gateways connect one.
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21.The output of the detailed design phase of the Systems Development Life Cycle (SDLC) is a a.fully documented system report b.systems selection report c.detailed system design report d.systems analysis report 22.The detailed design report contains all of the following except a.input screen formats b.alternative conceptual designs c.report layouts d.process logic 23.When each element of information supports the user’s decision or.
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8.What is the purpose of the Request for Proposal (RFP)? 9.Explain how a benchmark problem is used to measure the performance of two different commercial software packages. 10.Contrast the structured and object-oriented approaches to conceptual systems design. Which is more common? 11.List three characteristics that should be considered when designing a hardcopy input.
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11.Which types of events are included in entity relationship diagrams? a.operating events b.information events c.decision events d.all of the above 12.Which of the following represents the order of the steps in the preparation of an REA model? a.organize events in order, identify resources and agents, identify links, identify operating events, assign cardinalities b.identify operating events, identify resources.
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MULTIPLE CHOICE 1.Economic resources possess all of the following characteristics except a.assets b.measure expected future receipts c.scarce d.under the organization’s control 2.The REA approach leads to more efficient operations in all of the following ways except a.identifying non-value-added activities b.storage of both financial and nonfinancial data in the same database c.storage of detailed data to support a wider range.
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11.Which statement is not correct? The structured design approach a.is a top-down approach b.is documented by data flow diagrams and structure diagrams c.assembles reusable modules rather than creating systems from scratch d.starts with an abstract description of the system and redefines it to produce a more detailed description of the system 12.The benefits of the.
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11.A star topology is appropriate a.for a wide area network with a mainframe for a central computer b.for centralized databases only c.for environments where network nodes routinely communicate with each other d.when the central database does not have to be concurrent with the nodes 12.In a ring topology a.the network consists of a central computer which.
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MULTIPLE CHOICE 1.Which statement is not true? a.prototypes do not include internal control features b.a prototype is an inexpensive, simplified model of a system c.a throwaway prototype is discarded after the requirements are established d.systems designers always discard prototypes and do not develop them into finished systems 2.Which statement is not true? Computer Aided Software Engineering.
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11.In the object-oriented approach to systems design, when an operation is performed on an object, an attribute will always be changed. 12.In the object-oriented approach to systems design, inheritance means that each object instance inherits the attributes and operations of the class to which it belongs. 13.In the object-oriented approach to systems.
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TRUE/FALSE 1.Because of network protocols, users of networks built by different manufacturers are able to communicate and share data. 2.Electronic commerce refers only to direct consumer marketing on the Internet. 3.Business to consumer is the largest segment of Internet commerce. 4.The phrase “.com” has become an Internet buzz word. It refers to a top-level.
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SHORT ANSWER 1.Why is it important that the systems professionals who design a project not perform the detailed feasibility study of the project? 2.List at least three one-time costs and three recurring costs in system development. 3.____________________ benefits can be measured and expressed in financial terms, while ____________________ benefits cannot be easily measured.
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9.Discuss why adherence by accountants to a single, GAAP-based view is inappropriate. 10.Discuss how adopting a value chain perspective reveals advantages of adopting an REA approach to information system development. 11.Discuss the relationship between operating events, information events, and decision/management events. .
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ESSAY 1.List and explain the steps involved in preparing an REA model of a business process. 2.What is the REA model? What does it mean for accountants? 3.How does the REA approach improve efficiency? 4.How do the entity relationship (ER) and the REA models differ? 5.Why is a database preferred to the flat file system.
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SHORT ANSWER 1.Using Computer Aided Software Engineering (CASE) tools, the structure diagram can be transformed into machine code. Describe a disadvantage associated with this procedure. 2.Using Computer Aided Software Engineering (CASE) tools, the structure diagram can be transformed into machine code. Describe an advantage associated with this procedure. 3.What is prototyping? Why is.
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9.List at least three operating events. 10.List at least three information events. 11.List at least three decision/management events. 12.Define the following: operating event, information event, and decision/management event. 13.Distinguish between resources, events, and agents. 14.Why would a company adopt the REA approach to database design? .
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10.List two ways that a systems project can contribute to the strategic objectives of the firm. 11.List four types of facts that should be gathered during an analysis of a system. 12.What is the Internal Business Process Perspective? 13.What is the Learning and Growth Perspective? 14.When a company is doing financially well, why is.
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21.The big-bang approach involves converting from old legacy systems to the new ERP in one implementation step. 22.In a two-tier architecture approach is used primarily for wide area network (WAN) applications. 23.Data cleansing is a step performed by external auditors to identify and repairing invalid data prior to the audit. MULTIPLE CHOICE 1.Goals of.
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6.What are the key control implications of the absence of database normalization? 7.In a distributed data processing system, a database can be centralized or distributed. What are the options? Explain. 8.What are the characteristics of a properly designed relational database table? 9.Ownership of data in traditional legacy systems often leads to data redundancy..
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11.Discuss the key factors to consider in determining how to partition a corporate database. 12.Distinguish between a database lockout and a deadlock. 13.Replicated databases create considerable data redundancy, which is in conflict with the database concept. Explain the justification of this approach. APPENDIX QUESTION 14.Contrast the navigational databases with relational databases. What is the.
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11.Decision/management events are activities associated with recording, maintaining, and reporting information. 12.Information events are activities that lead to decisions being made. 13.Entity relationship diagrams include operating, information, and decision events. Only operating events are included in an REA model. 14.A data flow diagram is a data modeling tool that enables organizations to view.
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TRUE/FALSE 1.The primary goal of installing an ERP system is reducing system maintenance costs. 2.The recommended data architecture for an ERP includes separate operational and data warehouse databases. 3.A closed database architecture shares data easily. 4.ERP systems support a smooth and seamless flow of information across organizations. 5.OLAP stands for on-line application processing. 6.The primary goal.
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11.Instead of implementing an application in a single “big-bang” release, modern systems are delivered in parts continuously and quickly 12.When the nature of the project and the needs of the user permit, most organizations will seek a pre-coded commercial software package rather than develop a systems in-house. 13.All of the steps in.
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11.Cookies are files created by user computers and stored on Web servers. 12.Sniffing is the unauthorized transmitting of information across an Intranet. 13.The client-server model can only be applied to ring and star topologies. 14.The most popular topology for local area networks is the bus topology. 15.A network topology is the physical arrangement of.
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16.Describe the three-tier client server model. 17.Why must a data warehouse include both detail and summary data? 18.How does a data warehouse help the external auditor perform the audit? 19.What is the closed database architecture? 20.What is meant by the OLAP term - consolidation 21.What is meant by the OLAP term - Drill-down? 22.What is meant.
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11.Core applications are also called OLAP. 12.The client/server model is a form of network technology in which user computers, called clients, access ERP programs and data via a host computer called a server. 13.A data warehouse is a relational or multi-dimensional database that may require hundreds of gigabytes of storage. 14.Drill-down capability is.
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21.The degree of compatibility between the firm’s existing procedures and personnel skills and the requirements of the new system is called a.technical feasibility b.operational feasibility c.schedule feasibility d.legal feasibility 22.The ability of a system to protect individual privacy and confidentiality is an example of a.schedule feasibility b.operational feasibility c.legal feasibility d.economic feasibility 23.The systems project proposal a.provides management with a basis.
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