Classes of Strategic Information Systems - ️️EDP= Electronic Data Processing
(automate repetitive task)
MIS= Management Information Systems (reports)
DSS= Decision Support Systems (predict organizational outcomes)
EIS= Executive Information Systems (extension of DSS)
Information System - �...
ISQS 2340 Exam 1
Classes of Strategic Information Systems - ✔️✔️EDP= Electronic Data Processing
(automate repetitive task)
MIS= Management Information Systems (reports)
DSS= Decision Support Systems (predict organizational outcomes)
EIS= Executive Information Systems (extension of DSS)
Information System - ✔️✔️set of interrelated components that collect (input),
manipulate and store (processing), and disseminate (output) data and information as
well as feedback mechanism
Open vs. Closed Systems - ✔️✔️Open- Everyone can use, don't have to have control
of market (interact with other systems)
Why is ISQS important? - ✔️✔️-Important contributor to operational efficiency,
employee productivity, customer service and customer satisfaction.
-supports effective decision making by managers
-vital ingredient in developing competitive products
-dynamic, rewarding, and challenging career
opportunity
-key component of the resources and infrastructure in
today's business enterprises
-major functional area important to business
success
Data - ✔️✔️raw facts, by themselves not useful.
Data processing - ✔️✔️giving context to data and converting data into information
Information - ✔️✔️the interpretation of processed data in order to make better
decisions
System - ✔️✔️an organized collection of interrelated parts that work together to
achieve a common purpose
Systems have - ✔️✔️-Inputs
, -Processing Mechanism
-Outputs
-Feedback
-Control
A system has an objective, collection of parts, structure, performs a set of functions, and
has a boundary
Subsystem - ✔️✔️Ex: (Of a system) University -> Business school -> Marketing.
Simple vs. Complex Systems - ✔️✔️Simple- Very few elements & components,
relationship is simple.
Complex- A system filled with many simple systems.
A collection of simple systems is better than one, large complex system.
Closed- Exclusive, not adoptable; only if you have control of market (no interaction)
Information Technology - ✔️✔️refers to the method, techniques and tools that are used
as means to bring about computer-based information systems
Input - ✔️✔️the activity of capturing and gathering raw data
Processing - ✔️✔️involves converting or transforming raw data into useful output
Output - ✔️✔️involves producing useful information, usually in the form of documents
and reports
Storage - ✔️✔️involves storing data as well as information
Feedback - ✔️✔️is output that is used to make adjustments or changes to input or
processing activities
Control - ✔️✔️involves monitoring and evaluating feedback
Computer Based Information Systems - ✔️✔️is an Information System that uses
computer systems, devices and technology
Competitive value of IT lies mostly in the - ✔️✔️capability of software and of people
and the value of information a business acquires and uses
Competitive value of IT does NOT lie as much - ✔️✔️in hardware and networks
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