CS235 System Analysis and Design
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| show | System
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| When planning an information system, a company must consider how a new system will interface with older systems, which are called | show 🗑
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| show | business process modeling
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| A business ____ is an overview that describes a company’s overall functions, processes, organization, products, services, customers, suppliers, competitors, constraints, and future direction. | show 🗑
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| ____ enabled computer-to-computer transfer of data between companies, usually over private telecommunications networks. | show 🗑
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| show | include e-mail, voice mail, fax, video and Web conferencing, word processing, automated calendars, database management, spreadsheets, desktop publishing, presentation graphics, company intranets, and high-speed Internet access
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| show | business model
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| ____ 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 | show 🗑
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| show | SDLC
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| ____ provides vital protection and maintenance services for system software and hardware, including enterprise computing systems, networks, transaction processing systems, and corporate IT infrastructure. | show 🗑
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| show | Strategic
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| show | SWOT
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| show | Customer relationship management (CRM)
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| show | maintenance
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| A feasibility study includes tests for ____ feasibility, which refers to the practical resources needed to develop, purchase, install, or operate the system. | show 🗑
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| When setting priorities for systems requests, the highest priority goes to projects that provide the ____. | show 🗑
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| A systems analyst conducts a(n) ____ investigation to study the systems request and recommend specific action. | show 🗑
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| The primary method of obtaining information during the preliminary investigation is to ____. | show 🗑
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| show | determine the people to interview, establish objectives for the interview, develop interview questions, prepare for the interview
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| show | includes identifying project tasks and estimating completion times and costs
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| A project manager’s scheduling function _____. | show 🗑
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| Project scheduling involves all of the following EXCEPT ____. | show 🗑
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| The first step in the creation of a PERT/CPM chart is to ____. | show 🗑
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| In addition to tasks, every project has ____, which are reference points used to monitor progress and manage the project. | show 🗑
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| show | critical
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| A risk management plan includes a review of all of the following EXCEPT ____. | show 🗑
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| show | response
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| The ____ phase of the SDLC includes four main activities: requirements modeling, data and process modeling, object modeling, and consideration of development strategies. | show 🗑
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| show | Analytical skills
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| RAD relies heavily on ____. | show 🗑
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| show | use case diagram
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| ____ is a typical example of a system requirement for the performance category. | show 🗑
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| In addition to direct costs, systems developers must identify and document indirect expenses that contribute to the ____. | show 🗑
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| show | open-ended questions
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| Supporters of neutral locations for interviews believe that it ____. | show 🗑
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| show | random sample
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| show | Information technology (IT)
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| show | Systems analysis and design
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| combines information technology, people, and data to support business requirements. | show 🗑
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| who plan, develop, and maintain information systems. | show 🗑
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| show | in-house
applications
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| purchased systems | show 🗑
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| is one that is vital to a company’s operations. An order processing system, for example, is mission-critical because the company cannot | show 🗑
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| show | data
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| is data that has been transformed into output that is valuable to users | show 🗑
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| consists of everything in the physical layer of the information system. | show 🗑
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| show | Moore’s Law
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| refers to the programs that control the hardware and produce the desired information or results. | show 🗑
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| show | System software
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| consists of programs that support day-to-day business functions and provide users with the information they require | show 🗑
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| Examples of company- wide applications | show 🗑
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| show | horizontal system
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| show | vertical system
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| show | Processes
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| For complex operations, however, analysts apply computer-based modeling tools that use a standard language called | show 🗑
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| show | Internet-dependent firm
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| enabled company-to-company traffic to migrate to the Internet, which offered standard protocols, universal availability, and low communication costs. XML is a flexible data description language that allows | show 🗑
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| show | supply chain management (SCM)
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| refers to information systems that support company-wide operations and data management requirements. | show 🗑
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| show | enterprise resource planning (ERP)
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| show | Transaction processing (TP)
systems
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| called expert systems because they simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied. | show 🗑
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| show | Business support systems
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| show | radio frequency
identification (RFID)
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| show | knowledge base
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| include professional staff members such as systems analysts, programmers, accountants, researchers, trainers, and human resource specialists | show 🗑
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| describes data structures and design | show 🗑
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| show | network model
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| describes the logic that programmers use to write code modules | show 🗑
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| show | computer-aided software
engineering
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| also called adaptive methods, which include the latest trends in software development. | show 🗑
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| result of each phase is called a deliverable, or end product, which flows into the next phase. | show 🗑
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| reviews anticipated costs and benefits and recommends a course of action based on operational, technical, economic, and time factors. | show 🗑
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| show | systems analysis phase
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| where you investigate business processes and document what the new system must do to satisfy users. | show 🗑
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| show | systems design phase
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| which represents a series of iterations, or revisions, based on user feedback | show 🗑
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| which is a formal way of asking for IT support | show 🗑
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| show | electronic product code (EPC)
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| means that a proposed system will be used effectively after it has been developed. | show 🗑
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| show | Technical feasibility
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| show | Economic feasibility
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| are benefits that can be measured in dollars. Tangible benefits result from a decrease in expenses, an increase in revenues, or both. | show 🗑
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| advantages that are difficult to measure in dollars but are important to the company | show 🗑
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| show | Schedule feasibility
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| show | nondiscretionary projects
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| show | discretionary projects
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| a requirement or condition that the system must satisfy or an outcome that the system must achieve. | show 🗑
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| means defining the specific boundaries, or extent, of the project. | show 🗑
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| show | project creep
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| show | Pareto chart
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| includes identifying all project tasks and estimating the completion time and cost of each. | show 🗑
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| involves the creation of a specific timetable, usually in the form of charts that show tasks, task dependencies, and critical tasks that might delay the project. | show 🗑
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| show | Project monitoring
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| includes regular progress reports to management, users, and the project team itself. | show 🗑
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| show | work breakdown structure (WBS)
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| show | Gantt chart
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| bottom-up technique, because it analyzes a large, complex project as a series of individual tasks. | show 🗑
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| show | then, when, or and are action
words that signal a sequence of events
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| show | Open Workbench
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| show | risk management plan
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| lists each risk and assesses the likelihood that it could affect the project. | show 🗑
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| evaluates each risk by estimating the probability that it will occur and the degree of impact | show 🗑
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| is to understand the actual impact in terms of dollars, time, project scope, or quality. | show 🗑
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| show | A risk
response plan
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| show | Brooks’ Law
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| show | concurrent task
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| show | predecessor task
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| each concurrent task | show 🗑
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| show | requirements modeling
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| show | Performance
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| refers to hardware, software, and procedural controls that safeguard and protect the system and its data from internal or external threats. | show 🗑
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| show | system requirements
document
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| enable you to identify a problem, evaluate the key elements, and develop a useful solution | show 🗑
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| are especially valuable to a systems analyst who must work with people at all organizational levels, balance conflicting needs of users, and communicate effectively. | show 🗑
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| which is a user-oriented technique for fact-finding and requirements modeling | show 🗑
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| show | rapid application development (RAD)
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| show | agile methods
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| combines elements of the systems planning and systems analysis phases of the SDLC | show 🗑
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| users interact with systems analysts and develop models and prototypes that represent all system processes, outputs, and inputs | show 🗑
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| focuses on program and application development tasks similar to the SDLC | show 🗑
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| show | cutover phase
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| where team members prepare to lunge at each other to achieve their objectives. | show 🗑
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| is a topdown representation of a function or process. | show 🗑
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| show | data flow diagrams
(DFDs
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| show | Unified Modeling Language (UML)
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| show | sequence diagram
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| show | system requirement
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| show | Scalability
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| Microsoft has developed a method for measuring total costs and benefits | show 🗑
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| is a model that asks the traditional fact-finding questions in a systems development context | show 🗑
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| show | informal structure
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| encourage spontaneous and unstructured responses | show 🗑
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| limit or restrict the response | show 🗑
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| are closed-ended questions that ask the person to evaluate something by providing limited answers to specific responses or on a numeric scale. | show 🗑
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| determine how various changes in the work environment would affect employee productivity. | show 🗑
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| show | sampling
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| show | systematic
sample
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| If you want to ensure that the sample is balanced geographically to select five customers from each of four zip codes | show 🗑
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| show | random sample
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| show | Productivity software
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| show | histogram
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