My Systems Analysis Ch.1
Terms in this set (51)
Joint application development (JAD) is like a compressed version of the entire development process.
RAD (Rapid application development)
The ____ method of developing systems produces code that is modular and reusable.
____ software controls the flow of data, provides data security, and manages network operations.
The success or failure of an information system usually is unrelated to whether users are satisfied with the system's output and operations.
____ 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
The newest development techniques are called ____, which attempt to develop systems incrementally.
CASE tools provide an overall framework for systems development and support a wide variety of design methodologies, including structured analysis and object-oriented analysis.
When planning an information system, a company must consider how a new system will interface with older systems, which are called ____
In the ____, like that shown in the accompanying figure, the result of each phase, which is called a deliverable or end product, flows sequentially into the next phase in the SLDC
Transaction processing (TP) systems ____.
process data generated by day-to-day business operations
In the systems analysis phase, the first step is requirements modeling, where business processes are investigated and what the new system must do to satisfy users is documented.
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.
TP systems are inefficient because they process a set of transaction-related commands individually rather than as a group.
For complex operations, analysts apply computer-based modeling tools that use a standard language called ____.
business process modeling notation (BPMN)
Roark has just joined the company and in his role as lead analyst, he will be responsible for determining which systems development method the team uses to create the new application for a major medical supplier.
1. After Roark has spent a week getting to know the members of the team, including their strengths and weaknesses, and 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, then, is he least likely to use, given what he knows about the disadvantages of each method?
Agile methods typically use a(n) ____model, which represents a series of iterations based on user feedback.
Which of the following is one of the main sectors of e-commerce?
The ____ group typically provides leadership and overall guidance, but the systems themselves are developed by teams consisting of users, managers, and IT staff members.
In a typical company organizational model, middle managers ____.
provide direction, necessary resources, and performance feedback to supervisors and team leaders
In an information system, information consists of basic facts that are the system's raw material.
An IT group provides technical support, which includes application development, systems support and security, user support, database administration, network administration, and Web support
An example of a vertical system is a(n) ____.
medical practice application
database for an auto dealership
In a knowledge management system, a knowledge base consists of logical rules that identify data patterns and relationships.
User productivity systems ____.
include e-mail, voice mail, fax, video and Web conferencing, word processing, automated calendars, database management, spreadsheets, desktop publishing, presentation graphics, company intranets, and integrated mobile computing systems
Many companies find that a trend called empowerment, which gives employees more responsibility and accountability, improves employee motivation and increases customer satisfaction.
Maddy has been performing at a very high level at the firm, and so when two colleagues of hers 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.
3. 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 SDLC this team currently is. Which phase is it?
A knowledge management system uses inference rules, which consist of a large database that allows users to find information by entering keywords or questions in normal English phrases.
It is unusual for system developers to mix and match system development methods to gain a better perspective.
User support provides users with technical information, training, and productivity support.
Business support systems ____.
provide job-related information support to users at all levels of a company
Most large companies require systems that combine transaction processing, business support, knowledge management, and user productivity features.
In the systems planning phase, a key part of the preliminary investigation is a feasibility study that reviews anticipated costs and benefits and recommends a course of action based on operational, technical, economic, and time factors.
System software consists of programs that support day-to-day business functions and provide users with the information they require.
In an information system, data is information that has been transformed into output that is valuable to users.
A business process describes a specific set of ____.
Product-oriented firms produced ____.
In object-oriented design, built-in processes called ____ can change an object's properties.
A ____, or requirements model, describes the information that a system must provide.
Value-added services such as consulting, financing, and technical support can be more profitable than hardware.
A business ____ is an overview that describes a company's overall functions, processes, organization, products, services, customers, suppliers, competitors, constraints, and future direction.
In object-oriented analysis, an object is a member of a(n) ____, which is a collection of similar objects.
Whereas structured analysis treats processes and data as separate components, ____ combines data and the processes that act on the data into things called objects.
Systems analysts use a ____ to graphically represent company operations and information needs.
business process model
____ methods include the latest trends in software development.
A(n) ____ shows the data that flows in and out of system processes.
____ enabled computer-to-computer transfer of data between companies, usually over private telecommunications networks.
A(n) ____ investigates, analyzes, designs, develops, installs, evaluates, and maintains a company's information systems.
The ____ method of developing systems stresses team interaction and reflects a set of community-based values.
Companies typically require that systems analysts have a college degree in information systems, computer science, business, or a closely related field, and some IT experience usually is required.
____ is a systems development technique that produces a graphical representation of a concept or process that systems developers can analyze, test, and modify.
Examples of company-wide applications, called ____, include order processing systems, payroll systems, and company communications networks.
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