Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
25 Cards in this Set
- Front
- Back
|
Management Challenges
|
The challenges of effectively and ethically managing IT
|
|
|
What does IS do for a business?
|
support strategies for competitive advantage, support business making decisons, support business processes and operations
|
|
|
Transaction Processing Systems
|
Record and process data from business transactions
Examples: sales processing, inventory systems, accounting systems |
|
|
Process Control Systems
|
Monitor and control physical processes
Example: in a petroleum refinery use sensors to monitor chemical processes |
|
|
Online Processing
|
Process transactions immediately
Example: a bank processes an ATM withdrawal immediately |
|
|
Management Support Systems
|
Provide information and support for effective decision making by managers
|
|
|
Types of Management Support Systems
|
Management Information Systems (MIS
Decision Support Systems Executive Information Systems |
|
|
Management Information Systems (MIS)
|
Provide reports and displays to managers
Example: daily sales analysis reports |
|
|
Decision Support Systems (DSS)
|
Provide interactive ad hoc support for decision making
Example: A what-if-analysis to determine where to spend advertising dollars |
|
|
Executive Information Systems (EIS)
|
Provide critical information for executives and managers
Example: easy access to actions of competitors |
|
|
Expert Systems
|
Provide expert advice
Example: credit application advisor |
|
|
Knowledge Management Systems
|
Support creation, organization and dissemination of business knowledge throughout company
Example: Intranet access to best business practices |
|
|
Cross-functional information systems
|
Systems that are combinations of several types of information systems
Provide support for many functions |
|
|
Components of an IS
|
people, hardware resources, software resources, data resources, network resources
|
|
|
A virtual company uses IT to link
|
People,
Organizations, Assets, And ideas |
|
|
interenterprise information systems
|
to link customers, suppliers, subcontractors and competitors
|
|
|
Tacit knowledge
|
The “how-to” knowledge which reside in workers’ minds
|
|
|
Network Server
|
more powerful microcomputers that coordinate telecommunications and resource sharing in small networks
|
|
|
Intelligent terminals
|
modified networked PCs or network computers
|
|
|
Output
|
Video display units, printers, etc.
Convert electronic information into human-intelligible form |
|
|
Millisecond
|
thousandth of a second
|
|
|
Microsecond
|
millionth of a second
|
|
|
Picosecond
|
trillionth of a second
|
|
|
MIPS
|
million instructions per second
|
|
|
Teraflops
|
trillions of floating point operations per second (Supercomputer
|
