chapter 9 : organization-decision making

salam readers..??? selamt petang.. bru pas solat asar and terus nak comment about chapter 9. which is the decision making in the organization.. as i know, accurate information is very important in do the decision.if the decision is not incomplete, inaccurate and missing word is difficult to make the decision makng in the organization. now i want i comment which is model is a simplified representation or abstraction of reality. and it has 3 different models to assists in decision making, problem solving and opportunity. which is transaction processing systems, decision support systems and executive information systems.

1. transaction processing system- the basic business system that serve the operation level in organization.
2. online transaction processing- the capturing of transactional event information using technology to process the information according to defined business rules, stores information, updatae existing information tp reflect the new information.
3. online analytical processing- the manipulation of information to create business intelligence in support of strategic decision making

decision support system means to support manager to do the decision making. it has quantitative model:-

1. sensitivity analysis- to study the impact that changes in one or more parts of the model have on other parts of the model
2. what if analysis- checked the impact of a change in an assumption on the proposed solution
3. goal seeking analysis- finds the inputs necessary to achieve a goal such as desired level of output.

i think that executive information systems are important to make the decision making because the top management will do the decision.

most EISs offering

1. consolidation- involve the aggregation of information and features simple roll-ups to complex groupings of interrelated information
2. drill-down- mean enablers users to get details and details of details of information.
3. slice-and-dice- looks at information from different perspective.

digital dashboard : integrates information from multiple components and presents it in a unified display. meaning to say that the operation system can get from the web site

data mining is the software includes many form of artificial intelligence such as neural networks and experts system. meaning to sya, how to get the information?