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by Dinesh Thakur Category: Information and System Concepts

The transformation process in certain sub-system, especially at the lowest level may not be defined. However, the inputs and outputs are known. Such a sub-system, whose processes are not defined, is called a black box system.

 
by Dinesh Thakur Category: Information and System Concepts

Information systems cannot deliver value from the first day in an organization. The organization needs time and maturity to be able to leverage the information system. Various organizations are at different levels of maturity in dealing with information systems. Nolan has provided a model for such information systems using maturity in organizations. However, empirical evidence is not available in favor of such models but intuitively, it seems correct. To leverage the benefits of information, an organization has to first appreciate the usefulness of information. This requires a change in the mindset and way of working. Organization culture needs to change to accommodate this kind of information-based working. Changing organizations takes time and hence, organizations pass through stages of maturity in dealing with information systems.



 
by Dinesh Thakur Category: Information and System Concepts

In order to understand the importance of MIS one must understand and appreciate the role that MIS plays in an organization. An organization may be conceived in a lot of ways. One can visualize an organization as a balance sheet or a function of financial statements, i.e., as a financial entity or as an organization chart delineating the decision-making hierarchy levels and formal communication channels. While both views are correct, the latter view is more appropriate for understanding an organization's MIS.

 
by Dinesh Thakur Category: Information and System Concepts

Different types of systems exist. Some are abstract concepts while others are operational ones. Given below are different types and classes of systems:

 
by Dinesh Thakur Category: Information and System Concepts

The common thread of activity in all the management functions is information management. Every manager today has to manage loads of information some for the purpose of reporting and some for taking actionable decisions. A marketing manager trying to fine-tune a sales strategy would be doing it only after analyzing a lot of relevant information about the market, the customer profile, the product profile and competitor's pricing strategy.



 
by Dinesh Thakur Category: Information and System Concepts

Information system is a special type of system that allows storage, retrieval and processing of data in a secure environment. Logically the major sub systems of information systems are:



 
by Dinesh Thakur Category: Information and System Concepts

Information systems when used for providing information to managers for their decision-making needs become a management information system. The goal of such information systems is to provide relevant information to management so that it helps in its functioning.



 
by Dinesh Thakur Category: Information and System Concepts

Management is the often unseen force that helps bind an entire organization and helps it to achieve its objectives by conducting the activities of planning, directing, organizing and controlling. In an organization the structure of management conforms to the pattern of a pyramidal structure (in most cases) with a well-defined hierarchy.

 
by Dinesh Thakur Category: Information and System Concepts

Control is essential for monitoring the output of systems and is exercised by means of control loops. It is necessary for monitoring the desired output of a system with the actual output so that the performance of the system can be measured and corrective action taken if required. Schoderbek, 1985 mentions four elements required for effective control:

 
by Dinesh Thakur Category: Information and System Concepts

The systems approach is an old concept. The approach stands on the assumption that breaking down of a complex concept into simple easy to understand units helps in better understanding of the complexity. Ludwig von Bertalanffy first proposed the systems approach under the name of 'General System Theory'.

 


About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to contact us.



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