know more about ~DSS~ !!

DSS

decision support system

is

computer program application 

that analyzes business data and presents it 

so that users can make business decisions more easily

Typical information 

that a decision support application 

might gather and present 

would be >>>

• Comparative sales figures between one week and the next
• Projected revenue figures based on new product sales assumptions
• The consequences of different decision alternatives, given past experience in a context that is described

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know more about ~MIS~ !!

hey3!!!

come on bebeh..

lets know about MIS!!

management information systems

is

computer-based information system

produces stardadized reports

in summarized structured form

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Advantages of information management systems 

~one~

company

able to highlight their strength and weaknesses 

and

improve their business processes and operations

~two~

The availability of the customer data and feedback 

can help the company to 

allign their business processes 

according to the needs of the customers. 

 help the company to perform 

direct marketing and promotion activities.

~three~

 Information is considered to be 

an important asset for any company 

in the modern competitive world. 

The consumer buying 

trends and behaviors 

can be predicted by 

the analysis of sales and revenue reports 

from each operating region of the company

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know more about ~TPS~ !!

hi3!!

meet me again??

ihikhikhik ^^

okey2..

this post is about

TPS??

transaction processing systems

is

exclusive domain of mainframe computers

it

helps organization 

keep track of routine operations

and

records events in a database

= advantage!! =

~

really fast, it takes up usually a few seconds

~

makes the process of boking 

more fair as files are processed 

in order in which 

they had been queued

=disadvantage!! =

~

chance of double booking

~

need to use direct acess files

main problems addressed by

Transaction Processing Systems

~one~

the need to handle hundreds, 

even thousands of simultaneous Users

~two~

the need to allow many Users 

to work on the same set of data, 

with immediate updating

~three~

the need to handle errors 

in a safe and consistent manner

====================================

i get this information from this page and this!!

know more about ~ESS~ !!

hey you alls!!

you know what??

come, we want to say something,

for us

chapter 11 is 

very difficult

very complicated

but.. 

we will try the best

to give you

more information

AND NOW..

^.^

what is ESS??

executive support systems

~

~

means

~

software system

under control of one of many decision-makers

provide and organised

set of tools

1. impart structure 

to portions decision making situation

2. improve

ultimate effectiveness

of the decision outcome

~

+.+

user

~

1. top executives

2. policy-makers

~

+.+

for what??

~

get

permanent

and

updated assessment

information and knowledge

===================================================================

Supporting decision-making processes

Rational decisions by "computers"	Emotional decision-makers ("people")
Start with the data: Almost free from prejudicies.	Start with a provisory solution to be validated and modified
Rational formulation	Adaptative behaviour
Large volums of information	Limited access to information
Inductive in-depth analysis	Intuitive-deductive search for "patterns"
Specialised: Sectorial analysis	Global: Multisectorial synthesis
Large volums of calculations, slow conclusions	Rapid expression of personal perceptions
Optimisation strategy from all possible solutions	Satisfying strategy based on "acceptable" possibilitie

Advantages: 

• Filters data for management
• Improves to tracking information
• Offers efficiency to decision makers

Disadvantages: 

• Difficult to keep current data
• May lead to less reliable and insecure data
• Small companies may encounter excessive costs for implementation
• Too detailed Oriented

~end~