Systems Ch. 1 – Flashcards
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B
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1. ____ refers to the combination of hardware, software, and services that people use to manage, communicate, and share information. a. Information systems b. Information technology c. Computer systems d. Computer technology
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B
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2. ____ software controls the flow of data, provides data security, and manages network operations. a. Enterprise b. System c. Application d. Legacy
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A
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3. Examples of company-wide applications, called ____, include order processing systems, payroll systems, and company communications networks. a. enterprise applications b. network operating systems (NOS) c. operating applications d. legacy systems
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C
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4. Over 40 years ago, a concept called Moore's Law accurately predicted that computer processing power would double about every ____. a. 2 months b. 12 months c. 24 months d. 48 months
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D
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5. When planning an information system, a company must consider how a new system will interface with older systems, which are called ____. a. enterprise applications b. network operating systems (NOS) c. operating applications d. legacy systems
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C
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6. For complex operations, analysts apply computer-based modeling tools that use a standard language called ____. a. electronic data interchange (EDI) b. joint application development (JAD) c. business process modeling notation (BPMN) d. rapid application development (RAD)
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D
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7. Systems analysts use a ____ to graphically represent company operations and information needs. a. JAD b. Scrum c. RAD d. business process model
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B
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8. A business ____ is an overview that describes a company's overall functions, processes, organization, products, services, customers, suppliers, competitors, constraints, and future direction. a. matrix b. profile c. index d. glossary
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B
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Which of the following is one of the main sectors of e-commerce? a. C2C c. C2B b. B2C d. BBC
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A
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10. ____ enabled computer-to-computer transfer of data between companies, usually over private telecommunications networks. a. EDI c. TCH b. ACH d. O-O
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C
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11. Transaction processing (TP) systems ____. a. provide job-related information to users at all levels of a company b. simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied c. process data generated by day-to-day business operations d. include e-mail, voice mail, fax, video conferencing, word processing, automated calendars, database management, spreadsheets, and integrated mobile computing systems
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A
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12. Business support systems ____. a. provide job-related information support to users at all levels of a company b. simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied c. process data generated by day-to-day business operations d. include e-mail, voice mail, fax, video conferencing, word processing, automated calendars, database management, spreadsheets, and integrated mobile computing systems
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B
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13. Knowledge management systems use a large database called a(n) ____ that allows users to find information by entering keywords or questions in normal English phrases. a. inference engine b. knowledge base c. knowledge management system d. inference manager
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D
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14. User productivity systems ____. a. provide job-related information to users at all levels of a company b. simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied c. process data generated by day-to-day business operations d. include e-mail, voice mail, fax, video and Web conferencing, word processing, automated calendars, database management, spreadsheets, desktop publishing, presentation graphics, company intranets, and integrated mobile computing systems
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A
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15. In a typical company organizational model, top managers ____. a. develop long-range plans, called strategic plans, which define the company's overall mission and goals b. provide direction, necessary resources, and performance feedback to supervisors and team leaders c. oversee operation employees and carry out day-to-day functions, coordinating operational tasks and people d. include users who rely on TP systems to enter and receive the data they need to perform their jobs
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B
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16. In a typical company organizational model, middle managers ____. a. develop long-range plans, called strategic plans, which define the company's overall mission and goals b. provide direction, necessary resources, and performance feedback to supervisors and team leaders c. oversee operation employees and carry out day-to-day functions, coordinating operational tasks and people d. include users who rely on TP systems to enter and receive the data they need to perform their jobs
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C
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17. A ____, or requirements model, describes the information that a system must provide. a. process model b. data model c. business model d. network model
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A
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18. A(n) ____ shows the data that flows in and out of system processes. a. process model b. object model c. business model d. network model
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D
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19. ____ is a systems development technique that produces a graphical representation of a concept or process that systems developers can analyze, test, and modify. a. Prototyping b. Rapid application development c. Scrum d. Modeling
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B
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20. ____ is a systems development technique that tests system concepts and provides an opportunity to examine input, output, and user interfaces before final decisions are made. a. Scrum b. Prototyping c. Modeling d. Rapid application development
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B
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21. ____ methods include the latest trends in software development. a. Object-oriented analysis b. Agile/Adaptive c. Structured analysis d. Rapid application development
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C
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22. The ____ method of developing systems is well-suited to project management tools and techniques. a. object-oriented analysis b. adaptive c. structured analysis d. rapid application development
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A
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23. The ____ method of developing systems produces code that is modular and reusable. a. object-oriented analysis b. adaptive c. structured analysis d. rapid application development
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B
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24. The ____ method of developing systems stresses team interaction and reflects a set of community-based values. a. object-oriented analysis b. agile/adaptive c. structured analysis d. rapid application development
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B
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25. Structured analysis is a traditional systems development technique that uses a series of phases, called the ____, to plan, analyze, design, implement, and support an information system. a. O-O c. MSF b. SDLC d. RUP
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B
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26. Because it focuses on processes that transform data into useful information, structured analysis is called a(n) ____ technique. a. iterative b. process-centered c. inferred d. empowered
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C
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27. In the __swirly picture__, like that shown in the accompanying figure, the result of each phase, which is called a deliverable or end product, flows sequentially into the next phase in the SDLC. a. interactive model b. requirements model c. waterfall model d. object model
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B
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28. In the model of the SDLC shown in the accompanying figure, the ____ usually begins with a formal request to the IT department, called a systems request, which describes problems or desired changes in an information system or a business process. a. systems design phase b. systems planning phase c. systems support and security phase d. systems analysis phase
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A
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29. In the model of the SDLC shown in the accompanying figure, the purpose of the ____ is to build a logical model of the new system. a. systems analysis phase b. systems implementation phase c. systems design phase d. systems support and security phase
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D
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30. In the model of the SDLC shown in the accompanying figure, the purpose of the ____ is to create a physical model that will satisfy all documented requirements for the system. a. systems implementation phase b. systems planning phase c. systems analysis phase d. systems design phase
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D
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31. In the model of the SDLC shown in the accompanying figure, during the ____, the new system is constructed. a. systems planning phase b. systems support and security phase c. systems design phase d. systems implementation phase
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A
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32. In the model of the SDLC shown in the accompanying figure, during the ____, the IT staff maintains, enhances, and protects the system. a. systems support and security phase b. systems implementation phase c. systems analysis phase d. systems planning phase
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D
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33. Whereas structured analysis treats processes and data as separate components, ____ combines data and the processes that act on the data into things called objects. a. the MSF c. RUP b. the SDLC d. O-O
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B
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34. In object-oriented analysis, an object is a member of a(n) ____, which is a collection of similar objects. a. property c. message b. class d. instance
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A
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35. In object-oriented design, built-in processes called ____ can change an object's properties. a. methods c. attributes b. functions d. features
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C
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36. Agile methods typically use a(n) ____model, which represents a series of iterations based on user feedback. a. gradual c. spiral b. extreme d. evaluative
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D
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37. The newest development techniques are called ____, which attempt to develop systems incrementally. a. structured methods b. object-oriented methods c. CASE methods d. agile/adaptive methods
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B
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38. The ____ group typically provides leadership and overall guidance, but the systems themselves are developed by teams consisting of users, managers, and IT staff members. a. Web support b. application development c. systems support d. database administration
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C
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39. ____ provides vital protection and maintenance services for system software and hardware, including enterprise computing systems, networks, transaction processing systems, and corporate IT infrastructure. a. User support b. Database administration c. Systems support and security d. Network administration
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D
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40. A(n) ____ investigates, analyzes, designs, develops, installs, evaluates, and maintains a company's information systems. a. application developer b. database administrator c. network administrator d. systems analyst
