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MIS Exam 2
Terms in this set (41)
Four phases of decision making
intelligence, design, choice, implementation
Find or recognize a problem, need, or opportunity
Possible ways to solve problem
processing a certain information in a specified way so you always get the right answer
may be several "right" answers, without a sure way to get the right answer
nonrecurring decision (ad hoc)
one you make infrequently
Decision Support System (DSS)
a highly flexible and interactive system that is designed to support decision making when the problem is not structured
the science of designing systems to perform operations that mimic human thinking
Expert system (knowledge-based system)
an artificial intelligence system that applies reasoning capabilities to reach a conclusion
Expert System is used for
What to do?
An Expert System can
Improve customer service
An Expert System cant
use common sense, automate all processes
An AI system that examines data and hunts down and exposes patterns, in order to build models to exploit findings.
Neutral Networks Can
Learn and adjust to new circumstances on their own
Take part in massive parallel processing
Function without complete information
Cope with huge volumes of information
Analyze nonlinear relationships
a mathematical method of handling imprecise or subjective information
Fuzzy Logic Applications
-Google's Search Engine
an artificial intelligence system that mimics the evolutionary, survival-of-the-fittest process to generate increasingly better solutions to a problem
Genetic Algorithms can
- take thousands or even millions of possible solutions and combine and recombine them until it finds the optimal solution.
- work in environments where no model of how to find the right solution exists.
A software program that assists you, or acts on your behalf, in performing repetitive, computer-related tasks.
intelligent agents that search for information of some kind and bring it back
intelligent agent on a website that helps you find products
monitoring-and-surveillance agents (predictive agents)
intelligent agents that constantly observe and report on some entity of interest
Auto filter function
filters a list and hides rows that dont match criteria
-Filter only supports "equal to" criteria
-Filter on multiple columns
hides all rows except those that meet criteria
highlights information in a cell that meets some criteria you specify.
does not hide rows
customers show purchased more than 100
enables you to group and summarize information
Visual Basic for Applications
a programming language that includes built-in commands that mimic the functionality available from menus and dialog boxes within an application.
a set of actions recorded or written by a user
Object in VBA
Item available to control in code
Name of storage location
assigns the result of an expression to a variable or an object
A variables value may change while your procedure is executing
manner in which data types are stored in memory
In VBA, all of the actions performed in a macro.
Visual Basic Editor (VBE)
embedded within Excel and can be accessed through the Developer tab. All macros created in Excel are stored here
Adding new VBA Module
a VBA macro that returns a single value.
repeating a block of statements or code numerous times.
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