Chapter 1 & 2 Flashcards
information system (IS)
A set of interrelated components:
HARDWARE SOFTWARE DATA PROCEDURE PEOPLE
data
raw facts
information
A collection of facts organized and processed
process
A set of logically related tasks performed to achieve a defined outcome
knowledge
The awareness and understanding of a set of information
system
A set of elements or components that interact to accomplish goals
efficiency
A measure of what is produced ÷ by what is consumed.
effectiveness
A measure of the extent to which a system achieves its goals. (Goals Achieved ÷ Total Stated Goals)
system performance standard
A specific objective of the system
input
The activity of gathering and capturing raw data
processing
Converting or transforming data into useful outputs
output
Production of useful information (documents, reports…)
feedback
Information from the system that is used to make changes to input or processing activities
forecasting
Predicting future events to avoid problems
computer-based information system (CBIS)
A single set of things
technology infrastructure
All the things
hardware
Computer equipment used to perform input, processing, storage, and output activities
software
The computer programs that govern the operation of the computer
database
An organized collection of facts and information
telecommunications
The electronic transmission of signals for communications
network
Computers and equipment that are connected
Internet
The world’s largest computer network
intranet
An internal network for insiders
extranet
A network that can be accessed by selected outsiders
procedures
The strategies, policies, methods, and rules for using a CBIS
electronic commerce (e-commerce)
Any business transaction executed electronically
mobile commerce (m-commerce)
The use of mobile, wireless devices to place orders and conduct business
electronic business (e-business)
Using information systems and the Internet to perform all business-related tasks and functions