1. A black hole process is a process that has ____. Answer no input at least one output and one input, but the output obviously is insufficient to generate the input shown no output at least one input and one output, but the input obviously is insufficient to generate the output shown Question 2 1. A major advantage of O-O designs is that systems analysts can save time and avoid errors by using modular objects. Answer True False Question 3 1. Most firms give their IT budgets a low priority in bad economic times. Answer True False Question 4 1. The iteration structure is the completion of ____. Answer one or more process steps based on the results of a test or condition steps in a chronological order, one after another a process step that is repeated until a specific condition changes a specific condition that is repeated until a process changes Question 5 1. If you do not use a CASE-generated model, it is not necessary that a diagram or object definition be supported by documentation. Answer True False Question 6 1. An object has certain ____, like the make, model, and color of a car. Answer keys attributes indices packets Question 7 1. Whereas structured analysis treats processes and data as separate components, ____ combines data and the processes that act on the data into things called objects. Answer the MSF the SDLC RUP O-O Question 8 1. In addition to tasks, every project has ____, which are reference points used to monitor progress and manage the project. Answer targets milestones members workloads Question 9 1. Typical process description tools include all of the following EXCEPT ____. Answer context diagrams decision trees structured English decision tables Question 10 1. In a data dictionary, data elements are combined into ____, which are meaningful combinations of data elements that are included in data flows or retained in data stores. Answer fields columns records decimals Question 11 1. One of the main activities in the systems analysis phase is ____ modeling, which involves fact-finding to describe the current system and identification requirements for the new system. Answer objective requirements goal-based user-based Question 12 1. In most systems analysis tasks, time and people are interchangeable. Answer True False Question 13 1. The first step in creating a WBS is to ____. Answer mark all recognizable events determine time requirements identify all tasks estimate task completion time and cost Question 14 1. Many project managers find ____ charts more helpful for scheduling, monitoring, and controlling projects. Answer Gantt PERT/CPM index task Question 15 1. Quantitative risk analysis evaluates each risk by estimating the probability that it will occur and the degree of impact. Answer True False Question 16 1. A mission-critical system is one that is unimportant to a company’s operations. Answer True False Question 17 1. During strategic planning, top managers ask a series of questions that is called a ____ analysis because it examines a company’s strengths, weaknesses, opportunities, and threats. Answer CRM TCO JIT SWOT Question 18 1. ____ also is called looping. Answer Sequence Selection Iteration All of the above Question 19 1. In an interview, ____ limit or restrict the response. Answer open-ended questions closed-ended questions leading questions range-of-response questions Question 20 1. Projects with very general scope definitions are at risk of expanding gradually, without specific authorization, in a process called project ____. Answer dilation creep expansion drift 2 points Question 21 1. A systems project seldom produces significant changes in company operations. Answer True False Question 22 1. 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 fact-finding. Answer True False Question 23 1. Systems development typically starts with a ____. Answer feasibility study, followed by a systems request, which includes a preliminary investigation systems request, followed by a preliminary investigation, which includes a feasibility study preliminary investigation, followed by a feasibility study, which includes a systems request feasibility study, followed by a preliminary investigation, which includes a systems request 2 points Question 24 1. A gas pump is an example of a black box. Answer True False Question 25 Of the measures of feasibility in the accompanying figure, ____ assesses tangible and intangible benefits to the company in addition to costs. Answer schedule feasibility technical feasibility economic feasibility operational feasibility Question 26 1. Value-added services such as consulting, financing, and technical support can be more profitable than hardware. Answer True False Question 27 1. 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. Answer O-O SDLC MSF RUP Question 28 1. ____ is a typical example of a system requirement for the performance category. Answer The purchasing system must provide suppliers with up-to-date specifications Each input form must include date, time, product code, customer number, and quantity The manager of the sales department must approve orders that exceed a customer’s credit limit The student records system must produce class lists within five hours after the end of registration Question 29 1. When a DFD is exploded, the higher-level diagram is called the child diagram, and the lower-level diagram is referred to as the parent diagram. Answer True False As shown in the accompanying figure, objects within a class can be grouped into ____, which are more specific categories within a class. Answer schedules units subclasses clusters Question 31 1. In a sequence diagram, classes that send or receive messages are shown at the bottom of the diagram. Answer True False Question 32 1. When the outcome of one use case is incorporated by another use case, we say the second use case uses the first case. Answer True False Question 33 1. In a preliminary investigation report, the ____ contain(s) a brief description of the system, the name of the person or group performing the investigation, and the name of the person or group who initiated the investigation. Answer introduction systems request summary expected benefits time and costs estimates Question 34 1. A _____ cannot be started until one or more other tasks are completed. Answer dependent task concurrent task predecessor task all of the above Question 35 1. A ____, or requirements model, describes the information that a system must provide. Answer process model data model business model network model Question 36 1. What are the guidelines to follow when you draw a context diagram and other DFDs? Question 37 1. Project managers typically perform four main tasks. Identify these and explain what they are. Question 38 1. Outline the steps typically conducted during the preliminary investigation. Question 39 1. Explain what a class diagram is and in your answer, be sure to explain how a class diagram is like a DFD. Answer Question 40 1. What are the issues to consider as you compile your checklist of specific tasks you want to observe and questions you want to ask during an observation of current operating procedures?