HIS CHAPTER 1QUIZ Flashcards
Why learn about information systems in organizations?
Information system can cut costs and increase profits
Students in most field need to know information systems
Set of interrelated components called, manipulate store , and disseminate data and information
Information system
Example of information systems
Atm machine
Airline reservation system
Course reservation system
Raw facts
Data
Examples of data
Alphanumeric
Image
Audio
Video
Collection of facts organized in such a way that they have additional value beyond the value of the facts themselves
Information
Characteristics of. Valuable information
Accessible
Accurate
Complete
Economical
Flexible
Relevant
Reliable
Secure
Simple
Timely
Verifiable
Information should be accessible by authorized users so they can obtain it in the right format and at the right time to meet their needs
Accessible
information is error free. In some cases, inaccurate information is generated because inaccurate data is fed into the transformation process. This i commonly called garbage in , garbage out
Accurately
information should also be relatively economical to produce. Decision makers must always balance the value of information with the cost of producing it
economical
information can be used for a variety of purposes. For example information on how much inventory is on hand for a particular part can be used by a sales representative in closing a sale
flexible
information is important to the decision maker. information showing that lumber prices might not be relevant to a computer chip manufacturer
relevant
information can be depended on. in many cases, the reliability of the information depends on reliability of data- collection method.
reliable
information should be secure from access by unauthorized users
secure
information should be simple, not overly complex
simple
information is delivered when it is needed
timely
this means that you can check it to make sure it is correct
verifiable
directly linked to how it helps decision makers achieve their organizations goals
the value of information
example of value of information
time required to make a decision
increased profits to the company
the activity of gathering and capturing raw data
input
converting or transforming data into useful outputs
processing
production of useful information, usually in the form of documents and reports
output
output that is used to make changes to input or processing activities
feedback
developing patterns and trends on graph paper for stocks analysis
manual
using program trading to track the market and trade large blocks of stocks when discrepancies occur
computerized
single set of hardware, software, databases, telecommunities, people and procedures
computer based information system (CBIS)
types of information sytsems used in business organizations
electronic and mobile commerce systems
transaction processing systems
management information systems
decision support systems
specialized business information systems