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What is Productivity and Why it is so Important? We often hear the term Productivity, bandied about in economics and management textbooks and the popular press. Indeed, not a day goes by without this term popping up in myriad contexts. Further, when experts talk about falling or rising productivity, they stress its importance to everything […]
The Emerging Connected Future and Digital Utopia and What it Means for Us
A Glimpse into the Connected Future The future is connected in terms of the networked and integrated digitally enabled modes of living and working. In other words, with cutting edge technologies such as Artificial Intelligence, Big Data powered Analytics, IoT, or the Internet of Things, and Distributed computing integrating our homes and our workplaces, the […]
Banning of Unregulated Deposits in India
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Inventory Turnover As Indicator of Health of Inventory and Business
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Missed Call: A Case Study of the Indian Telecom Industry in the Post Liberalization Era
The Mobile Revolution has Transformed Indian Society and Economy When compared to the other sectors that flourished in the post liberalization phase starting from the 1990s, the Indian Telecom Sector is perhaps the biggest success story as far as its role as an enabler of connectivity and helping the rural residents as well as the […]
In today’s information and communication age, there is a constant reference to information systems and management of information systems. In the digital age data, storage and retrieval are done through various systems and interfaces.
An information system, therefore, can be defined as set of coordinated network of components which act together towards producing, distributing and or processing information. An important factor of computer based information system is precision, which may not apply to other types of systems.
In a system, network of components work towards a single objective, if there is lack of co-ordination among components, it leads to counterproductive results. A system may have following features:
Common definition of information is data. However, data is no true information. Data gets its meaning and significance if only it is information. Information is represented with data, symbols and letters.
Information has following properties:
Information is represented with help of data, numbers, letters or symbols. Information is perceived in a way it gets represented. Decimal system and binary system are two ways of representing information. The binary circuits of computers are designed to operate under two states (0,1).
The way in which information is organized directly affect the way the information is managed and retrieved.
The simplest way of organizing information is through linear model. In this form, data is structured one after another, for example, in magnetic tapes, music tapes, etc.
In a binary tree model, data is arranged in an inverted tree format where it assumes two values.
The hierarchy model is derived from a binary tree model. In this model, branch can assume multi-value data, for example in the UNIX operating system this model is used for its file system.
The hypertext model is another way of organizing information; World Wide Web is an example of this model.
Random access model is another way of organizing information. This model is used for optimum utilization of available computer storage space. Here data is stored in specified location under direction of the operating system.
Information is networked through network topology. The layout of all the connected devices, and it provides virtual shape or structure to the network is known as network topology. The physical structure may not be representative of network topology. The basic types of topology are bus, ring, star, tree and mesh.
The above topologies are constructed and managed with help of Hubs, Switches, Bridges, Routers, Brouters and Gateways.
Security of information as well as an information system is critical. Data back-up is on the way through which Information can be made secured. Security management for network and information system is distinct for different setup like home, small business, medium business, large business, school and government.
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Communication Systems and Groupware – Information System Concepts that Apply in All Functional Areas of Business
February 12, 2025
