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Saturday 4 June 2016

Information System and technologies

Are becoming a vital part of successful businesses and organizations.
Information System means an interconnected group of information resources in the same direct management control that shares common functionality. A system normally includes hardware, software, information, data, applications, communications the ones, while an info system is the arrangement of folks, data, processes, presentation of information and information technology that supports our everyday needs. It is actually technologically implemented medium for recording, storing, and disseminating linguistic expressions, as well as drawing conclusions from such expressions. The computer technology can be used for implementing information systems.


TYPES OF AN INFORMATION SYSTEM

 
Information System might be divided in  two basic forms


1. OPERATIONS SUPPORT
SYSTEMS


It is further subdivided into
the following
o    Transaction Processing System (TPS)
o    Enterprise Collaboration System
o    Process Control System




2. MANAGEMENT SUPPORT
SYSTEM



It is further subdivided to the following
o    Management Information System (MIS)
o    Decision Support System (DSS)
o    Executive Support System (ESS)


TOOLS FOR THE DEVELOPMENT OF AN INFORMATION SYSTEM

The steps which might be involved in the growth and development of an Information System are:
Analysis, Feasibility Study,  System Design, Testing, Implementation, Documentation.

TRENDS IN INFORMATION SYSTEM:


It is often accepted that information is an essential commodity for your successful operation of today's organizations. Nowadays modern business organizations are choosing computerized information systems so that you can obtain desired information. However, as being the technology advances rapidly the principle issue is how do an organization should effectively use such an info system which its management sometimes may be unpredictable as a way to effectively assist the whole organization structure to enhance and go ahead and take most out of it.
It seems fairly obvious that Information systems have played a crucial linking role and before the advent with the Internet. Thus, for instance, the options offered by Information systems have strongly influenced the way in which managers could exercise control and for that reason constituted a crucial factor within the organization of large-scale enterprise in addition to their geographic extension. The same is true for governments in addition to their statistical apparatus. The recent integration pc networks and electronic data exchange facilitated the roll-out of common databases and policies among governments, increasing developments, which in fact had started earlier. It also created new possibilities for business, as an example enabling companies to produce new organizational practices (e.g. just-in-time).


However, the role of Information systems within the organization is shifting to back up business processes instead of individual functions. The focus is outwards to customers, in lieu of inwards to procedures. Businesses are changing a growing number of rapidly.



This poses an issue to existing Information systems, which might be often inappropriately structured in order to meet these needs. It also poses challenging to the people who design, work and utilize these systems, given that they may hold outdated assumptions.



To be sure the services given by Information systems whenever needed and failure won't cause catastrophic disaster their reliability and efficiency become essential. Imagine what can happen whenever a banking system malfunctions caused by some critical faults inside the system or each time a healthcare information system provides wrong advice for patients.
It is even not over-saying the lives are already under control laptop or computer systems nonetheless reliability and efficiency has become crucial



APPLICATIONS OF INFORMATION SYSTEM:

 
There is really a wide range of applications of information system which can be implemented nowadays. To name a few such as
1.    Sales analysis, production performance and price trend  
reporting system
2.    Product Pricing, profitability forecasting and risk   
analysis system
3.    Sales and inventory processing and accounting System
4.    Geographic Information systems
5.    Health Care Information Systems
6.    Banking Information System
7.    Petroleum Refining System
8.    Power Generation System
9.    Steel Production System

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