IS5803 Quiz

​1. _____ are important to a systems analyst who must work with people at all organizational levels, balance conflicting needs of users, and communicate effectively. A. ​Interpersonal skills

​2. _____ describe what objects need to know about each other, how objects respond to changes in other objects, and the effects of membership in classes, superclasses, and subclasses. A. ​Relationships

​3. _____ describes how instances of one class relate to instances of another class. A. Cardinality

​4. _____ is a widely used method of visualizing and documenting an information system. A. Unified Modeling Language (UML)

​5. A _____ is a graphical representation of the conditions, actions, and rules found in a decision table. A. decision tree

​6. A black box does not want or need outside interference. A. True

​7. A class can belong to a more general category called a _____. A. superclass

​8. A common tool for showing the distribution of a questionnaire or sampling results is a vertical bar chart called a _____. A. ​histogram

​9. A major advantage of object-oriented (O-O) designs is that systems analysts can save time and avoid errors by using _____ objects. A. modular

​10. A(n) _____ shows the object classes and relationships involved in a use case. A. ​class diagram

​11. All objects within a(n) _____ share common attributes and methods. A. ​class

​12. Among the symbols in the accompanying figure, a _____ is used to represent data that a system stores because one or more processes need to use the data at a later time. A. ​data store

​13. Among the symbols in the accompanying figure, a _____ receives input data and produces output that has a different content, form, or both. A. process

​14. An object has certain _____,which are characteristics that describe the object, such as the make, model, and color of a car. A. attributes

​15. By showing processes as _____, an analyst can create data flow diagrams (DFDs) that show how the system functions but avoid unnecessary detail and clutter. A. ​black boxes

​16. Class diagrams evolve into code modules, data objects, and other system components. A. True

​17. Data stores are shown in a context diagram because data stores are external to the system. A. False

18. ​For each use case, a _____ in the form of a table is developed to document the name of the use case, the actor, a description of the use case, and so forth. A. use case description

​20. Identify a typical example of a system requirement for the input category. A. Student grades must be entered on machine-readable forms prepared by the instructor.

​21. Identify is a typical example of a system requirement for the performance category. A. The student records system must produce class lists within five hours after the end of registration.

​22. In a class diagram, each class appears as a(n) _____, with the class name at the top, followed by the class’s attributes and methods. A. ​rectangle

​23. In a data dictionary, _____ is the maximum number of characters for an alphabetic or character data element or the maximum number of digits and number of decimal positions for a numeric data element. A. ​length

​24. In a data flow diagram (DFD), a gray hole is a process that has _____. A. at least one input and one output, but the input obviously is insufficient to generate the output shown

​25. In a data flow diagram (DFD), a spontaneous generation process is a process that has _____. A. ​no input

​26. In a data flow diagram (DFD), the Gane and Sarson symbol for an entity is a ____. A. ​rectangle, which may be shaded to make it look three-dimensional

​27. In a sequence diagram, a _____ represents the time during which an object above it is able to interact with the other objects in the use case. A. ​lifeline

​28. In a use case, an external entity, called a(n) _____,initiates a use case by requesting the system to perform a function or process. A. actor

​29. In addition to helping to gather and analyze facts, many programs also automatically perform fact-finding for systems analysts. A. False.

​30. In addition to the Gane and Sarson symbol set, another popular symbol set is _____. A. ​Yourdon

​31. In an interview, _____ encourage spontaneous and unstructured responses. A. ​open-ended questions

​32. In an object-oriented system, objects can _____ certain attributes from other objects. A. ​inherit

33. ​In data flow diagrams (DFDs), a process resembles a _____, where the inputs, outputs, and general functions of the process are known, but the underlying details are not shown. A. ​black box

34. ​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. A. False

​35. Rapid application development (RAD) relies heavily on _____. A. ​prototyping

​36. Since diagram 0 is a(n) _____ version of process 0, it shows considerably more detail than a context diagram. A. exploded

​37. Software such as Microsoft OneNote is a type of _____ software. A. ​project data management

​38. Some objects might have a few attributes; others might have dozens. A. True

​39. Structured English might look familiar to programming students because it resembles _____, which is used in program design. A. ​pseudocode

​40. The _____ of an object is an adjective that describes the object’s current status. A. state

​41. The disadvantage of the four-model approach is that ____. A. additional time and cost are required to develop a logical and physical model of the current system

​42. The iteration structure is the completion of _____. A. ​a process step that is repeated until a specific condition changes

​43. The main objective of a sample is to ensure that it represents the overall population accurately. A. True

​44. The process of concentrating on what is said in an interview and noticing any nonverbal communication that takes place is called _____. A. engaged listening

​45. The same message to two different objects produces the same results. A. False

​46. The term _____ refers to a system’s ability to handle increased business volume and transactions in the future. A. scalability

​47. Using _____, an analyst can show business functions and break them down into lower-level functions and processes. A. functional decomposition diagrams (FDD)

​48. 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. A. levelling

​49. When a data flow diagram (DFD) is exploded, the higher-level diagram is called the child diagram, and the lower-level diagram is referred to as the parent diagram. A. False

​50. 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. A. True

​51. When phrasing interview questions, a systems analyst should avoid _____ that suggest or favor a particular reply. A. leading questions

​52. 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. ​random sample

53. A _____ documents the details of a functional primitive, which represents a specific set of processing steps and business logic. A. ​process description

54. A graphic modeling program is used to manage details of a complex project, create queries to retrieve specific information, and generate custom reports. A. False

55. A(n) _____, such as Microsoft Outlook, includes a private calendar, a to-do list, and powerful contact management features. A. personal information manager (PIM)

56. If an interviewee gives only short or incomplete responses to open-ended questions, a systems analyst should _____. A. ​switch to closed-ended questions

57. In a data flow diagram (DFD), a process symbol can have only one outgoing data flow.​ A. False

58. In a sequence diagram, the _____indicates when an object sends or receives a message. A. ​focus

59. n a data flow diagram (DFD), processes contain the business logic, also called business rules, which transform the data and produce the required results.​ A. True

60. The _____ is a widely used method of visualizing and documenting software systems design. A. Unified Modeling Language (UML)

61. Use cases cannot interact with other use cases. A. False

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