Untitled Flashcard Set

System

A group of interrelated components that function together to achieve a desired result.

Information system

An arrangement of people, data, processes, and information technology that interact to collect, process, store, and provide as output the information needed to support an organization.

Information technology

A contemporary term that describes the combination of computer technology (hardware and software) with telecommunications technology (data, image, and voice networks).

Transaction processing system (TPS)

An information system that captures and processes data about business transactions.

Management information system (MIS)

An information system that provides for management-oriented reporting based on transaction processing and operations of the organization.

Decision support system (DSS)

An information system that helps to identify decision-making opportunities or provides information to help make decisions.

Expert system

An information system that captures the expertise of workers and simulates that expertise to the benefit of non-experts.

Stakeholder

Any person who has an interest in an existing or proposed information system, including technical and non-technical workers.

Business processes

Activities that respond to business events.

Process requirements/Process design

A user’s expectation of the processing requirements for a business process and its information systems.

Policy

A set of rules that govern a business process.

Procedure

A step-by-step set of instructions and logic for accomplishing a business process.

Workflow

The flow of transactions through the business.

Software specifications

The technical design of business processes to be automated or supported by computer programs.

Application program

A language-based, machine-readable representation of what a software process is supposed to do.

Technical feasibility

Is the solution technically practical and does our staff have the technical expertise to design and build this solution?

Operational feasibility

Will the solution fulfill the users’ requirements and how will the solution change the users’ work environment?

Economic feasibility

Is the solution cost-effective?

Schedule feasibility

Can the solution be designed and implemented within an acceptable time?

Risk feasibility

What is the probability of a successful implementation using the technology and approach?

Critical path

The sequence of tasks with the largest sum of most likely durations, determining the earliest completion date of the project.

FAST

Framework for the Application of Systems Thinking, a hypothetical methodology for a representative systems development process.

Functional requirement

A description of activities and services a system must provide, including inputs, outputs, processes, and stored data.