 | Term | Definition |
| |
system |
set of interrelatd components, with a clearly defined boundry, achieving a common set of objectives |
| |
basic functions of a system |
input, processing, output |
| |
cybernetic system |
self monitoring, self regulating system, adds feedback and control |
| |
what should business professionals know |
the people, hardware, software, data, and network resources they use; type of information products they produce; performance of input, processing, output, storage, and control activites |
| |
E-business |
an online exchange of value |
| |
reengineering |
fundamental rethinking and radical redesign of business processes |
| |
e-commerce |
buying, selling, makreting, and servicing of products and services over networks |
| |
TPS(Transaction processing system) |
process data resulting from business transactions, update operational databases, and produce business documents |
| |
PCS(process control systems) |
monitor and control industrial processes(steel production systems) |
| |
Mangement support systems |
Management information systems, decision support systems, executive information systems |
| |
IT sucess |
Efficency and effectiveness |
| |
IS activites |
input, processing, output, storage, control |
| |
Intranet |
inside the enterprise |
| |
extranet |
between an enterprise and its trading partners |
| |
Data |
raw facts about physical phenomena or business transactions |
| |
Information |
data that has been converted into meaningful and use full context for end users |
| |
how does data stay accurate in a computer system |
human intervention |
| |
What does IT support in the business environment |
strategies for competitive advantage, business decision making, business process and operations |
| |
IS |
all the components and resources necessary to deliver infomraiton and fuction to the organiztion, could be paper based |
| |
IT |
hardware, software, networking, data mangagement |
| |
why create IT systems |
competitive advantage, support common business operations, decision making |
| |
History of IT 1950-Now |
Data processing, management reporting, decison support, strategic and end user support, ebusines and commerce |
| |
operations support |
process data genrated by and used in, business operations |
| |
management support |
applications focus on providing information and support for effective decions making by managers |
| |
Processing stage of a system |
calculation, comparing, sorting, classifying, and summarizing |
| |
Open |
most systems, outside world |
| |
closed |
probe in mars, no signal |
| |
adaptive systems |
systems adjust based on input |
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