Information Technology

The Difference Between Traditional File Systems and DBMS

Traditional File Systems

File-based systems were an early attempt to computerize the manual filing system. File-based system is a collection of application programs that perform services for the end-users, such as updating, insertion, deletion adding new files to database etc. Each program defines and manages its data.

When a computer user wants to store data electronically they must do so by placing data in files. Files are stored in specific locations on the hard disk (directories). The user can create new files to place data in, delete a file that contains data, rename the file, etc which is known as file management; a function provided by the Operating System (OS).… Read the rest

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Data Processing Methods

1. Batch Processing.

Batch processing is a technique in which data to be processed or programs to be executed are collected into groups to permit convenient, efficient, and serial processing. It is the simplest form of data processing. With this method, data is entered to the information flow in large volumes, or batches. That is, the processing by computer is performed periodically, at specified time intervals (weekly, monthly, etc) when large volumes are accumulated. Daily transactions in a business establishment, for example, may be batch processed on a weekly basis. Instead of being processed periodically when a sufficient volume has been accumulated.… Read the rest

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Information Systems in Various Levels of Modern Organizations

The INFORMATION SYSTEM plays a major role in the organization by satisfying the diverse needs through a variety of systems such as Query systems, Analysis systems, Modeling systems and Decision support systems. It helps the Clerical personnel in transaction processing and answers their queries on data pertaining to transaction. It helps junior management by providing operational data for planning and control, and helps them in Decision-making. It helps the Middle management in short-term planning, target setting and controlling business functions. It helps Top management in goal setting, planning and evolving business plans and their implementation.

OPERATIONAL-LEVEL SYSTEMS

At the operational level are transactions processing systems through which products are designed, marketed, produced, and delivered.… Read the rest

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Different Categories of E-Business

Introduction to E-business:

E-business is an all-encompassing concept that refers to the numerous ways in which companies are taking advantage of the universal connectivity offered by the Internet and other computer networks. Traditional Information Systems courses also discuss how businesses use computers, but focus in addition on technical issues of hardware, software, databases, networks, and management of all of these components. This course focuses on the ideas and processes involved in starting an e-business or in adding e-business functions to an existing business. E-business enables a customer to conduct business anytime, anywhere and from any place via a distribution channel. It helps to get a continuous dialogue between you and your customer, just as if you both were talking face to face.… Read the rest

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Types of Information Systems

Conceptually, information systems in the real world can be classified in several different ways. For example, several types of information systems can be classified conceptually as either operations or management information systems.

1. Operations Support Systems

Information systems have always been needed to process data generated by, and used in, business operations. Such operations support systems produce a variety of information products for internal and external use. However, they do not emphasize producing the specific information products that can best be sued by managers. Further processing by management information systems is usually required. The role of a business firm’s operations support systems is to efficiently process business transactions, control industrial processes, support enterprise communications and collaboration, and update corporate databases.… Read the rest

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Strategic Issues in Managing Technology

Due to increased competition and accelerated product development cycles, innovation and the management of technology is becoming crucial to corporate success. The importance of technology and innovation must be emphasized by people at the very top and reinforced by people throughout the corporation. Management has an obligation to not only encourage new product development, but also to develop a system to ensure that technology is being used most effectively with the consumer in mind.

External Scanning: Corporations need to continually scan their external societal and task environments for new developments in technology that may have some application to their current or potential products, Stakeholders, especially customers, can be important participant in the new product development process.… Read the rest

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