CIS 9490 Exam # 1
horizontal system
a system that can be adapted for use in many different types of companies
mission-critical system
a system that is vital to a company's operations
knowledge base
allows users to find information by entering keywords or questions
legacy system
an older system
information system
combines technology, people and data to provide support for business functions such as order processing, inventory control, human resources, accounting and many more
service-oriented
companies include consultants, vendors, software developers and service providers
data
consists of basic facts that are system's raw material
hardware
consists of everything in the physical layer of the IS
applicaion software
consists of programs that support day-to-day business functions and provide users with the information they need
information
data that has been transformed into output that is valuable to users
processes
describe the task and business functions that users, managers, and IT staff members perform to achieve specific results
vertical system
designed to meet the unique requirements of a specific business or industry, such as web-based retailer, a medical practice or an auto dealership
users
end users
product-oriented
firms manufacture computers, routers, microchips
business process model (BPM)
graphically displays one or more business processes, such as handling an airline reservation, filing a product orders
radio frequency identification (RFID)
high frequency radio waves to track physical object
inference rules
knowledge management system where logical rules that identify data patterns and relationships
server farm
large concentration of servers working together
systems software
manages the hardware components
business profile
overview of company's mission, functions, organization, products, services, customers, suppliers, competitors, constraints and future direction
stakeholders
people who have an interest in the information system
Moore's Law
prediction that number of transistors on an integrated circuit chip would double about every 24 months
transaction processing systems (TP)
process data generated by day-do-day business operations
business support systems
provide job-related information support to users at all levels of a company
enterprise computing
refers to information system that support company-wide operations and data management requirements
Information Technology
refers to the communication of hardware, software, and services that people use to manage, communicate, and share information
software
refers to the programs that control the hardware and produce the desired information results
system
set of related components that produces specific results
business process modeling notation (BPMN)
standard shapes and symbols to represent events, processes, workflows and more
systems analysis and design
step-by-step process for developing high-quality information systems
enterprise resource planning (ERP)
systems provide cost effective support for users and managers throughout the company
management information systems
systems where managers are primary users
systems analyst
valued member of IT department team who helps plan, develop, and maintain information systems.
