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Chapter 1 Introduction to Systems Analysis and Design
Operations management (Dpom19)
Tshwane University of Technology
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Chapter 1 – Introduction to Systems Analysis and Design
True / False
- Most firms give their IT budgets a low priority in good economic times.
a. True b. False
ANSWER: False
- A mission-critical system is one that is unimportant to a company’s operations. a. True b. False
ANSWER: False
- In an information system, data is information that has been transformed into input that is valuable to users.
a. True b. False
ANSWER: False
- Transaction processing (TP) systems are inefficient because they process a set of transaction-related commands individually rather than as a group. a. True b. False
ANSWER: False
- In a knowledge management system, a knowledge base consists of logical rules that identify data patterns and relationships. a. True b. False
ANSWER: False
- Most large companies require systems that combine transaction processing, business support, knowledge management, and user productivity features. a. True b. False
ANSWER: True
- Since middle managers focus on a longer time frame, they need less detailed information than top managers, but somewhat more than supervisors who oversee day-to-day operations. a. True b. False
ANSWER: False
- Many companies find that a trend called empowerment, which gives employees more responsibility and accountability, improves employee motivation and increases customer satisfaction.
a. True b. False
ANSWER: True
Chapter 1 – Introduction to Systems Analysis and Design
- Network administration includes hardware and software maintenance, support, and security. a. True b. False
ANSWER: True
- The responsibilities of a systems analyst at a small firm are exactly the same as those at a large corporation.
a. True b. False
ANSWER: False
Modified True / False
System software consists of programs that support day-to-day business functions and provide users with the information they require. ANSWER: False - Application
Joint application development (JAD) is like a compressed version of the entire development process. ANSWER: False - Rapid application development, Rapid application development (RAD), RAD, RAD (Rapid application development)
User support provides users with technical information, training, and productivity support. ANSWER: True
Multiple Choice
- _____ refers to the combination of hardware, software, and services that people use to manage, communicate, and share information.
a. Instructional technology b. Information technology c. Assistive technology d. Medical technology
ANSWER: b
- A large concentration of servers working together is called a _____.
a. server window b. server application c. server ranch d. server farm
ANSWER: d
- _____ controls the flow of data, provides data security, and manages network operations. a. Enterprise software b. System software c. Application software d. Legacy software
Chapter 1 – Introduction to Systems Analysis and Design
c. business index d. business glossary
ANSWER: b
- A _____ graphically displays one or more business processes, such as handling an airline reservation, filling a product order, or updating a customer account.
a. business matrix model (BMM) b. business process model (BPM) c. business indexing model (BIM) d. business strategic model (BSM)
ANSWER: b
- For complex models, analysts can choose computer-based modeling tools that use _____, which includes standard shapes and symbols to represent events, processes, workflows, and more. a. electronic data interchange (EDI) b. joint application development (JAD) c. business process modeling notation (BPMN) d. rapid application development (RAD)
ANSWER: c
- Transaction processing (TP) systems _____. a. provide job-related information to users at all levels of a company b. simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied c. process data generated by day-to-day business operations d. include email, voice mail, fax, video conferencing, word processing, automated calendars, database management, spreadsheets, and integrated mobile computing systems
ANSWER: c
- Business support systems _____. a. provide job-related information support to users at all levels of a company b. simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied c. process data generated by day-to-day business operations d. include email, voice mail, fax, video conferencing, word processing, automated calendars, database management, spreadsheets, and integrated mobile computing systems
ANSWER: a
- _____ technology uses high-frequency radio waves to track physical objects. a. Redundant array of independent disks (RAID) b. Radio frequency identification (RFID) c. Enterprise resource planning (ERP) d. Management information system (MIS)
ANSWER: b
Chapter 1 – Introduction to Systems Analysis and Design
- Knowledge management systems use a large database called a(n) _____ that allows users to find information by entering keywords or questions in normal English phrases. a. inference engine b. knowledge base c. knowledge database management system d. inference manager
ANSWER: b
- User productivity systems _____.
a. provide job-related information to users at all levels of a company b. simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied c. process data generated by day-to-day business operations d. include groupware programs that enable users to share data, collaborate on projects, and work in teams
ANSWER: d
- In a typical organizational model, top managers _____. a. develop long-range plans, called strategic plans, which define a company’s overall mission and goals b. provide direction, necessary resources, and performance feedback to supervisors and team leaders c. oversee operation employees and carry out day-to-day functions, coordinating operational tasks and people d. include users who rely on transaction processing (TP) systems to enter and receive the data they need to perform their jobs
ANSWER: a
- In a typical company organizational model, middle managers _____.
a. develop long-range plans, called strategic plans, which define the company’s overall mission and goals b. provide direction, necessary resources, and performance feedback to supervisors and team leaders c. oversee operation employees and carry out day-to-day functions, coordinating operational tasks and people d. include users who rely on transaction processing (TP) systems to enter and receive the data they need to perform their jobs
ANSWER: b
- _____ is a systems development technique that produces a graphical representation of a concept or process that systems developers can analyze, test, and modify. a. Prototyping b. Rapid application development c. Scrum d. Modeling
ANSWER: d
- A _____ describes the information that a system must provide.
a. process model b. data model c. business model d. network model
Chapter 1 – Introduction to Systems Analysis and Design
d. enterprise resource planning system (ERP)
ANSWER: b
- Structured analysis is called a(n) _____ technique because it focuses on processes that transform data into useful information. a. iterative b. process-centered c. inferred d. model-specific
ANSWER: b
- A(n) _____ shows the data that flows in and out of system processes. a. process model b. object model c. business model d. network model
ANSWER: a
- A(n) _____ uses various symbols and shapes to represent data flow, processing, and storage. a. process flow diagram b. object model c. data flow diagram d. network model
ANSWER: c
- In a(n) _____ model, the result of each phase is called a deliverable, which flows into the next phase.
a. interactive b. iterative c. waterfall d. spiral
ANSWER: c
- The _____ usually begins with a formal request to the IT department, called a systems request, which describes problems or desired changes in an information system or a business process. a. systems design phase b. systems planning phase c. systems support and security phase d. systems analysis phase
ANSWER: b
- In a systems development life cycle (SDLC) model, the purpose of the _____ is to build a logical model of the new system.
a. systems analysis phase b. systems implementation phase
Chapter 1 – Introduction to Systems Analysis and Design
c. systems design phase d. systems support and security phase
ANSWER: a
- In a systems development life cycle (SDLC) model, the purpose of the _____ is to create a physical model that will satisfy all documented requirements for the system.
a. systems implementation phase b. systems planning phase c. systems analysis phase d. systems design phase
ANSWER: d
- During the _____ of the systems development life cycle (SDLC), a new system is constructed.
a. systems planning phase b. systems support and security phase c. systems design phase d. systems implementation phase
ANSWER: d
- The systems implementation phase of the systems development life cycle (SDLC) includes an assessment, called a _____, to determine whether the system operates properly and if costs and benefits are within expectation. a. systems estimation b. systems verification c. systems validation d. systems evaluation
ANSWER: d
- During the _____ of the systems development life cycle (SDLC), the IT staff maintains, enhances, and protects the system.
a. systems support and security phase b. systems implementation phase c. systems analysis phase d. systems planning phase
ANSWER: a
- In object-oriented analysis, objects possess characteristics called _____. a. properties b. orientations c. classes d. inheritances
ANSWER: d
- In object-oriented analysis, an object is a member of a(n) _____, which is a collection of similar objects. a. property
Chapter 1 – Introduction to Systems Analysis and Design
a. User support specialists b. Database administrators c. Web support specialists d. Network administrators
ANSWER: c
- Many large IT departments use a(n) _____ team that reviews and tests all applications and systems changes to verify specifications and software quality standards. a. beta testing b. quality assurance c. alpha testing d. acceptance verifier
ANSWER: b
- A(n) _____ investigates, analyzes, designs, develops, installs, evaluates, and maintains a company’s information systems. a. application developer b. database administrator c. network administrator d. systems analyst
ANSWER: d
- Many hardware and software companies offer _____ for IT professionals, which verifies that an individual demonstrated a certain level of knowledge and skill on a standardized test. a. spot identification b. certification c. education d. accreditation
ANSWER: b
- A(n) _____ is the set of beliefs, rules, traditions, values, and attitudes that define a company and influence its way of doing business.
a. corporate culture b. team guideline c. mission statement d. ongoing rule-set
ANSWER: a
Critical Thinking Questions Case 1-
Roark has just joined a company and in his role as a lead analyst, he will be responsible for determining which systems development method the team uses to create a new application for a major medical supplier.
- After Roark has spent a week getting to know the members of the team, including their strengths and weaknesses, and
Chapter 1 – Introduction to Systems Analysis and Design
what has worked well (and not so well) for this particular team in the past, one theme keeps recurring: the team has particularly weak communications skills. Which of the following methods is Roark least likely to use, given that he knows about the disadvantages of each method? a. Structured analysis b. Agile/adaptive methods c. Object-oriented analysis d. Rapid application development
ANSWER: b
- It is a new day at the firm. Roark has been in place for a few weeks, strengthening the communications skills of his employees, getting them to work much better together. Now, the challenge that he faces is not an internal one; it lies with the client, which is increasingly incapable of sticking with decisions. Roark, based on his past experience with other clients like this, is afraid that the client will throw them a curveball and want to make changes late in the game—but that they also will be unwilling to absorb the costs of those changes. For this reason, which of the following methods of development will Roark eliminate?
a. Structured analysis b. Agile/adaptive methods c. Object-oriented analysis d. Rapid application development
ANSWER: a
Critical Thinking Questions Case 1-
Maddy has been performing at a very high level at a firm, and so when two of her colleagues who are currently leading other development efforts get sick or leave the company, she is asked to step in and help manage these two other efforts.
- When Maddy sits down at the first meeting at which the first group is gathering, she hears them discussing the feasibility study in which they are currently engaged. She knows, then, in which phase of the systems development life cycle (SDLC) this team currently is. Which phase is it? a. Systems analysis b. Systems design c. Systems planning d. Systems implementation
ANSWER: c
- After leaving the first meeting, Maddy goes down the hall to meet with the outgoing manager of the second team. In that meeting, he shares with her the latest draft of the systems requirement document, which is nearly complete. In which phase is the second team currently? a. Systems analysis b. Systems design c. Systems planning d. Systems implementation
ANSWER: a
Multiple Response
Chapter 1 – Introduction to Systems Analysis and Design
An approach that proponents believe reduces risks and speeds up software development ANSWER: d
People who oversee operational employees and carry out day-to-day functions ANSWER: f
People who rely on transaction processing (TP) systems to enter and receive data they need to perform their jobs ANSWER: g
Produces a graphical representation of a concept or process that systems developers can analyze, test, and modify ANSWER: b
Requests specific behavior or information from another object ANSWER: c
Can expand to meet new business requirements and volumes ANSWER: i
An early working version of an information system
ANSWER: j
Essay
Who is a knowledge worker, and why this kind of worker is required by successful companies? ANSWER: Knowledge workers include systems analysts, programmers, accountants, researchers, trainers, human resource specialists, and other professionals. Knowledge workers also use business support systems, knowledge management systems, and user productivity systems. Knowledge workers provide support for an organization's basic functions. Just as a military unit requires logistical support, a successful company needs knowledge workers to carry out its mission.
Discuss the pros and cons of agile methods. ANSWER: Pros: Stresses team interaction and reflects a set of community-based values. Frequent deliverables constantly validate the project and reduce risk. Cons: Team members need a high level of technical and communications skills. Lack of structure and documentation can introduce risk factors. Overall project might be subject to scope change as user requirements change.
Chapter 1 Introduction to Systems Analysis and Design
Course: Operations management (Dpom19)
University: Tshwane University of Technology
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