MIS Questions

This is an excerpt from the paper...

1. Expert systems are information systems which use information about a specific area (usually consisting of highly complex issues) to serve as an expert consultant to users. Typically, expert systems contain a knowledge base and various modules which build on the information supplied by users to arrive at solutions or provide additional information. Decision support systems use decision models and databases to reach a specific decision using a predefined set of rules. An expert system might be used by physicians to help arrive at a diagnosis for a patient whose symptoms are not clearly indicative of any one illness, while a decision support system might be used by a manager to determine whether to buy or lease new equipment. In the first case, the physician would enter the various symptoms based on questions supplied by the expert system. The questions which are asked vary with the answers given, and various diagnoses are ruled out. In the case of the decision support system, the user enters predefined parameters (interest rates, required rate of return, purchase cost and so forth) and the decision support system process the information and renders a decision.

2. Effectiveness is whether or not a particular decision or action achieves the desired result. Efficiency is whether a particular result is achieved with the best use of resources. For example, a data entry clerk who has a stack of invoices to enter into a system is effective if all of the invoices are entere

. . .
on when operating in those countries. Risks involve security risks (as in Latin America) that must be faced by employees, as well as the risk that a company's assets might be nationalized (as happened with oil companies in the Middle East). There can also be embargoes and other nontarriff barriers to trade based on the political relationship between the destination country and the United States. Today's managers must also be aware of the geoeconomic environment. This means that inflation in one country can affect the price of goods and services in another, and currency fluctuations, particularly in developing countries, can be a problem. Being aware of the stability of currencies in countries where the company does business may determine whether the company wants to engage in hedging activities, or whether it will accept only hard currency. 6. The implementation process consists of the preimplementation stage, the human design, marketing, education, training, documentation, human communications and postimplementation. During the preimplementation process, information is pulled together on the problem to be solved and the goals of the project are set up. During the human design phase, the human element of the IT system is t
. . .

Some common words found in the essay are:
United Today's, , Web Internet, Wide Web, Middle East, Latin America, Internet Disgruntled, science applications, information theory, decision support, expert systems, dimension deals, security issues, tactical planning, support system, information systems, top management, decision support system, cognitive science applications, computer science applications, repeated using semantics, internet security issues,
Approximate Word count = 1920
Approximate Pages = 8 (250 words per page)

MIS Questions

More Essays on MIS Questions