Classification of Information System (MIS 03.05.2021)

Information Systems

An information system is integrated and co-ordinate network of components, which combine together to convert data into information.

 

Classification of Information System

 

Information can be classified in a number of ways and we will learn two of the most important ways to classify information.

1. Classification by Characteristic

Information used in business for decision-making is generally categorized into three types −

(a) Strategic Information − Strategic information is concerned with long term policy decisions that defines the objectives of a business and checks how well these objectives are met. For example, acquiring a new plant, a new product, diversification of business etc, comes under strategic information.

 

(b) Tactical Information − Tactical information is concerned with the information needed for exercising control over business resources, like budgeting, quality control, service level, inventory level, productivity level etc.

 

(c) Operational Information − Operational information is concerned with plant / business level information and is used to ensure proper conduction of specific operational tasks as planned / intended. Various operator specific, machine specific and shift specific jobs for quality control checks comes under this category.

2. Classification by Application

In terms of applications, information can be categorized as −

(a) Planning Information − These are the information needed for establishing standard norms and specifications in an organization. This information is used in strategic, tactical, and operation planning of any activity. Examples of such information are time standards, design standards.

 

(b) Control Information − This information is needed for establishing control over all business activities through feedback mechanism. This information is used for controlling attainment, nature and utilization of important processes in a system. When such information reflects a deviation from the established standards, the system should induce a decision or an action leading to control.

 

(c) Knowledge Information − Knowledge is defined as "information about information". Knowledge information is acquired through experience and learning, and collected from archival data and research studies.

 

(d) Organizational Information − Organizational information deals with an organization's environment, culture in the light of its objectives. An organization reduces its uncertainty by collecting, managing and using this kind of information smartly. This information is used by everybody in the organization; examples of such information are employee and payroll information.

 

(e) Functional/Operational Information − This is operation specific information. For example, daily schedules in a manufacturing plant that refers to the detailed assignment of jobs to machines or machines to operators. In a service-oriented business, it would be the duty roster of various personnel. This information is mostly internal to the organization. Eg Job Card system

 

(f) Database Information − Database information construes large quantities of information that has multiple usage and application. Such information is stored, retrieved and managed to create databases. For example, material specification or supplier information is stored for multiple users.