System Analysis and Design Chapter 3, 4, and 5 Study Guide| GRADED

• Question 1 Using Gane and Sarson symbols, a data flow diagram (DFD) represents processes as rectangles with rounded corners. 1 out of 1 points Answer s: Tru e False • Question 2 1 out of 1 points A task that represents several activities is known as a . Answer s: a. task group b. task ID c. task name d. task review • Question 3 1 out of 1 points When preparing a representative sample from a list of 200 customers who complained about errors in their statements, a could ensure the sample is balanced geographically by selecting five customers from each of four zip codes. Answer s: a. comprehensive sample b. stratified sample c. systematic sample d. random sample • Question 4 are important to a systems analyst who must work with people at all organizational levels, balance conflicting needs of users, and communicate effectively. 1 out of 1 points Answer s: a. Confrontational skills b. Interpersonal skills c. Artistic skills d. Problem solving skills • Question 5 1 out of 1 points In a data dictionary, a(n) is the smallest piece of data that has meaning within an information system. Answer s: a. index b. record c. pixel d. field • Question 6 In the early stages of systems analysis, interviews usually focus on specific topics, but as the fact- finding process continues, the interviews are more general. Answer True s: 1 out of 1 points Fals e • Question 7 Which of the following is a typical example of a system requirement for the process category? 1 out of 1 points Answer s: a. The system must be operated seven days a week, 365 days a year. b. All transactions must have audit trails. c. The equipment rental system must not execute new rental transactions for customers who have overdue accounts. d. The website must report online volume statistics every four hours and hourly during peak periods. • Question 8 maintains consistency among data flow diagrams (DFDs) by ensuring that input and output data flows align properly. 1 out of 1 points Answer s: a. Shipping b. Balancing c. Indexing d. Adapting • Question 9 1 out of 1 points Microsoft’s risk management model includes , which represents the likelihood that the risk will happen. Answer s: a. category b. description c. trigger d. probability • Question 10 1 out of 1 points In addition to joint application development, another popular user-oriented method is , which resembles a condensed version of the entire SDLC with users involved every step of the way. Answer s: a. rapid application development b. brainstorming c. sampling d. agile method • Question 11 Supporters of neutral locations for interviews believe that it . 1 out of 1 points Answer s: a. makes the interviewee feel comfortable during the meeting b. gives the interviewee easy access to supporting material that might be needed c. keeps interruptions to a minimum so people can concentrate fully d. gives the interviewee an opportunity to take calls during the interview • Question 12 In addition to helping to gather and analyze facts, many programs also automatically perform fact- finding for systems analysts. Answer True s: 1 out of 1 points Fals e • Question 13 Due to the limited range of input and interaction among participants, few companies believe that a joint application development (JAD) group does not produce the best definition of a new system. Answer True s: 1 out of 1 points Fals e • Question 14 is a model that asks the traditional fact-finding questions in a systems development context. 1 out of 1 points Answer s: a. A functional decomposition diagram b. A class diagram c. The Zachman Framework for Enterprise Architecture d. The Unified Modeling Language • Question 15 1 out of 1 points Using , an analyst starts with an overall view, which is a context diagram with a single process symbol, and then the analyst creates diagram 0, which shows more detail. Answer s: a. leveling b. balancing c. exploding d. indexing • Question 16 1 out of 1 points By showing processes as , an analyst can create data flow diagrams (DFDs) that show how the system functions but avoid unnecessary detail and clutter. Answer s: a. process descriptions b. black boxes c. decision tables d. business rules • Question 17 Project reporting, an activity of a project manager, . 1 out of 1 points Answer s: a. includes identifying and arranging project tasks and estimating completion times and costs b. includes informing management, users, and the project team about the progress of a project c. involves the creation of a specific timetable, usually in the form of charts that show tasks, task dependencies, and critical tasks that might delay a project d. consists of staffing, which includes selecting the project team and assigning specific tasks to team members • Question 18 Microsoft’s risk management model includes , which specifies the risk type. 1 out of 1 points Answer s: a. probability b. trigger c. category d. description • Question 19 The personal interview usually is the least expensive fact-finding technique. Answer True s: 1 out of 1 points Fals e • Question 20 In the rapid application development (RAD) model in the accompanying figure, during the phase, users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs. 1 out of 1 points Answer s: a. requirements planning b. user design c. cutover d. construction • Question 21 The disadvantage of the four-model approach is that . 1 out of 1 points Answer s: a. it does not take additional steps to avoid mistakes made earlier in systems development b. additional time and cost are required to develop a logical and physical model of the current system c. it gives an unclear picture of the current system functions before any modifications or improvements are made d. the requirements of a new information system always are different from the current information system • Question 22 1 out of 1 points To evaluate , a systems analyst needs information about projected future volume for all outputs, inputs, and processes. Answer s: a. reliability b. scalability c. compatibility d. applicability • Question 23 1 out of 1 points Structured English might look familiar to programming students because it resembles , which is used in program design. Answer s: a. iterative code b. decision code c. pseudocode d. a decision tree • Question 24 The iteration structure is the completion of . 1 out of 1 points Answer s: a. steps in a chronological order, one after another b. a specific condition that is repeated until a process changes c. a process step that is repeated until a specific condition changes d. one or more process steps based on the results of a test or condition • Question 25 In a data flow diagram (DFD), the Gane and Sarson symbol for a data flow is a . 1 out of 1 points Answer s: a. segment of a differentiable curve b. flat rectangle that is open on the right side and closed on the left side c. line with a single or double arrowhead d. triangle, which may be shaded to make it look three-dimensional • Question 26 A consists of horizontal bars, connected with arrows that indicate task dependencies. 1 out of 1 points Answer s: a. Gantt chart b. Scatter chart c. wireframe