CIS 224 - Ch. 4
In the rapid application development (RAD) model in the accompanying figure, the _____ phase focuses on program and application development tasks similar to the SDLC. a.construction b.requirements planning c.user design d.cutover
a. construction
The term _____ refers to a system's ability to handle increased business volume and transactions in the future. a. scalability b. reliability c. compatibility d. applicability
a. scalability
_____ is a model that asks the traditional fact-finding questions in a systems development context. a.The Zachman Framework for Enterprise Architecture b.A class diagram c.The Unified Modeling Language d.A functional decomposition diagram
a. The Zachman Framework for Enterprise Architecture
The kind of document shown in the accompanying figure starts with a heading, which should include all except _____. a.a brief statement of purpose b.your signature c.your observations d.your suggestions
a. a brief statement of purpose
_____ is a fact-finding technique that can help a systems analyst understand how the current system is supposed to work. a.Document review b.Brainstorming c.A systematic sample d.Productivity software
a.Document review
A(n) _____, such as Microsoft Outlook, includes a private calendar, a to-do list, and powerful contact management features. a.personal information manager (PIM) b.fact-finding application c.swim lane d.enterprise architecture
a.personal information manager (PIM)
In addition to direct evaluations, systems developers must identify and document indirect expenses that contribute to the _____. a.total cost of ownership (TCO) b.Rapid Economic Justification (REJ) c.business process modeling notation(BPMN) d.functional decomposition diagrams (FDD)
a.total cost of ownership (TCO)
Using _____, an analyst can show business functions and break them down into lower-level functions and processes. a. UML b. TCO c. FDD d. REJ
c. FDD
To evaluate _____, a systems analyst needs information about projected future volume for all outputs, inputs, and processes.
scalability
Although taking notes during an interview has both advantages and disadvantages, the accepted view is that note taking should be extensive. True False
False
In a sequence diagram, vertical arrows represent messages from one object to another. True False
False
The main objective of all rapid application development (RAD) approaches is to extend development time and expense by excluding users from every phase of systems development. True False
False
System documentation always is up-to-date. True False
False
When designing a questionnaire, arrange questions in a random order, intermixing simple and more complex topics. True False
False
When using fact-finding techniques, asking what is being done is the same as asking what could or should be done. True False
False
Personal observation allows a systems analyst to verify statements made in interviews and determine whether procedures really operate as they are described. True False
True
System requirements fall into five general categories: outputs, inputs, processes, performance, and controls. True False
True
When designing a questionnaire, the most important rule of all is to make sure that questions collect the right data in a form that can be used to further the fact-finding effort. True False
True
An agile approach emphasizes continuous feedback, and each incremental step is affected by what was learned in the prior steps. True False
True
IT professionals recognize that successful systems must be user-oriented, and users need to be involved, formally or informally, at every stage of system development. True False
True
When conducting an interview, after asking a question, allow the person enough time to think about the question and arrive at an answer. True False
True
When phrasing interview questions, a systems analyst should avoid _____ that suggest or favor a particular reply. a.range-of-response questions b.leading questions c.open-ended questions d.closed-ended questions
b. leading questions
When preparing a representative sample from a list of 200 customers who complained about errors in their statements, a _____ might select any 20 customers. a.systematic sample b.random sample c.stratified sample d.comprehensive sample
b. random sample
When studying an information system, illustrations of actual documents should be collected using a process called _____. a.randomization b.sampling c.indexing d.stratification
b. sampling
The _____ phase of the SDLC includes four main activities: requirements modeling, data and process modeling, object modeling, and consideration of development strategies. a. systems planning b. systems analysis c. systems design d. systems implementation
b. systems analysis
A _____ is a Unified Modeling Language (UML) technique that visually represents the interaction between users and an information system. a.user-based flowchart b.use case diagram c.surface flowchart d.scatter diagram
b. use case diagram
Jerry knows that there were supposed to be three performance examples but he finds four in the spreadsheet. Which one of these is mislabeled as a performance example? a.Response time must not exceed four seconds. b.The online inventory control system must flag all low-stock items within one hour after the quantity falls below a predetermined minimum. c.The system must automatically generate an insurance claim form. d.The records system must produce key reports within five hours of the end of each fiscal quarter.
c. The system must automatically generate an insurance claim form.
Greater user involvement in the system development process usually results in _____. a.lower quality deliverable b.slower development times c.more satisfied users d.poorer communication
c. more satisfied users
Software such as Microsoft OneNote is a type of _____ software. a.personal data management b.personal information manager (PIM) c.project data management d.personal digital assistant (PDA)
c. project data management
If an interviewee gives only short or incomplete responses to open-ended questions, a systems analyst should _____. a.rudely conclude the meeting b.give the interviewee easy access to supporting material that might be needed c.switch to closed-ended questions d.continue using open-ended questions
c. switch to closed-ended questions
In projects where it is desirable to obtain input from a large number of people, a(n) _____, such as that shown in the accompanying figure, can be a valuable tool. a.suggestion b.title c.observation d.questionnaire
d. questionnaire
In an interview, _____ are questions that ask a person to evaluate something by providing limited answers to specific responses or on a numeric scale. a. leading questions b. open-ended questions c. factual questions d. range-of-response questions
d. range-of-response questions
In a(n) _____, team members prepare to lunge at each other to achieve their objectives. a.re-sequencing session b.adaptation c.pool d.scrum
d. scrum
When preparing a representative sample from a list of 200 customers who complained about errors in their statements, a _____ might select every tenth customer for review. a.stratified sample b.comprehensive sample c.random sample d.systematic sample
d. systematic sample
