In launching a new information system, the greatest risk occurs when a company ____.
B) tries to decide how the system will be implemented before determining what the system is supposed to do
____ software controls the flow of data, provides data security, and manages network operations.
Examples of company-wide applications, called ____, include order processing systems, payroll systems, and company communications networks.
A) enterprise applications
Over 40 years ago, a concept called Moore's Law accurately predicted that computer processing power would double about every ____.
C) 24 months
When planning an information system, a company must consider how a new system will interface with older systems, which are called ____.
D) legacy systems
For complex operations, analysts apply computer-based modeling tools that use a standard language called ____.
C) business process modeling notation (BPMN)
Systems analysts use a process called ____ to represent company operations and information needs.
D) business process modeling
A business ____ is an overview that describes a company’s overall functions, processes, organization, products, services, customers, suppliers, competitors, constraints, and future direction.
Which of the following is one of the main sectors of e-commerce?
A) C2C B) B2C C) C2B D) BBC
____ enabled computer-to-computer transfer of data between companies, usually over private telecommunications networks.
Transaction processing (TP) systems ____.
C) process data generated by day-to-day business operations
Business support systems ____.
A) provide job-related information support to users at all levels of a company
Knowledge management systems are called expert systems because they ____.
B) simulate human reasoning by combining a knowledge base and inference rules that determine how the knowledge is applied
User productivity systems ____.
D) 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
In a typical company organizational model, top managers ____.
A) develop long-range plans, called strategic plans, which define the company’s overall mission and goals
In a typical company organizational model, middle managers ____.
B) provide direction, necessary resources, and performance feedback to supervisors and team leaders
A ____, or requirements model, describes the information that a system must provide.
C) business model
A(n) ____ describes the logic that programmers use to write code modules.
A) process model
____ is a systems development technique that produces a graphical representation of a concept or process that systems developers can analyze, test, and modify.
____ 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.
____ methods include the latest trends in software development.
The ____ method of developing systems is well-suited to project management tools and techniques.
C) structured analysis
The ____ method of developing systems produces code that is modular and reusable.
A) object-oriented analysis
The ____ method of developing systems stresses team interaction and reflects a set of community-based values.
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.
Because it focuses on processes that transform data into useful information, structured analysis is called a(n) ____ technique.
C) waterfall model
B) systems planning phase
D) systems design phase
D) systems implementation
A) systems support and security
Whereas structured analysis treats processes and data as separate components, ____ combines data and the processes that act on the data into things called objects.
In object-oriented programming, an object is a member of a(n) ____, which is a collection of similar objects.
In object-oriented design, built-in processes called ____ can change an object’s properties.
Agile methods typically use a(n) ____model, which represents a series of iterations based on user feedback.
When building an information system, all of the following basic guidelines should be considered except ____. A) stick to an overall development plan B) identify major milestones for project review and assessment C) provide accurate and reliable cost and benefit information D) ensure that users are not involved in the development process
D) ensure that users are not involved in the development process
The ____ group typically provides leadership and overall guidance, but the systems themselves are developed by teams consisting of users, managers, and IT staff members.
B) application development
____ provides vital protection and maintenance services for system software and hardware, including enterprise computing systems, networks, transaction processing systems, and corporate IT infrastructure.
C) Systems support and security
A systems analyst needs ____. A) solid technical knowledge and good analytical ability B) strong oral and written communication skills C) an understanding of business operations and processes D) all of the above
D) all of the above
People who rely on TP systems to enter and receive data they need to perform their jobs.
People who oversee operational employees and carry out day-to-day functions.
Supply Chain Management
A B2B site that allows buyers, sellers, distributors, and manufacturer to offer products, submit specifications, and transact business.
The name for new business support systems that produced valuable information, in addition to performing manual tasks; their primary users were managers.
Describes objects, which combine data and processes.
Describes the design and protocols of telecommunications links.
An early working version of an information system.
Describes data structures and design.
Many knowledge management systems use this technique, which allows inferences to be drawn from imprecise relationships.
In many large companies, these kinds of systems provide cost-effective support for users and managers throughout the company.
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