OFFICE INFORMATION SYSTEMS

OFFICE INFORMATION SYSTEMS INTRODUCTION  During the past 30 years, has helped the enhance productivity in the office. The movement towards automation in work is often called office automation (OA).  Office automation includes the new hardware and software technologies-word Read More …

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DEVELOPMENT OF DECISION SUPPORT SYSTEMS

DEVELOPMENT OF DECISION SUPPORT SYSTEMS  The development of a decision support system is determined by the types of information and the facilities needed for taking the decision.  Decision support systems are developed using programming language or produced by Read More …

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Database Management System (DBMS)

Database Management System (DBMS)  To solve a problem the necessary data may come from internal or external database.  In an organization, internal data are generated by a system such as TPS and MIS.  External data come from Read More …

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DECISION SUPPORT SYSTEM

DECISION SUPPORT SYSTEM INTRODUCTION  Decision support system (DSS) in an outcome of management information system, providing support for management at operational control, management control, and strategic planning.  Management activity of each of these classes includes planning, control, and Read More …

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COMMUNICATION NETWORKS

                                                COMMUNICATION NETWORKS There are five types of communication networks: 1. Private Branch Exchanges (PBXs) 2. Integrated Read More …

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DATA COMMUNICATIONS SYSTEM

DATA COMMUNICATIONS SYSTEM INTRODUCTION Data communication is the movement of data and information from one point to another point by means of electrical or electromagnetic devices, fibre-optic cables or microwave signals. TELECOMMUNICATIONS SYSTEM Telecommunications system has five components. These are Read More …

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Computer Application Software

                                       Computer Application Software Application software assists in managing the organization’s physical and conceptual resources. There are two types of application software: Read More …

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COMPUTER SOFTWARE FOR INFORMATION SYSTEMS

COMPUTER SOFTWARE FOR INFORMATION SYSTEMS INTRODUCTION An information system builds both hardware and software are essential, systems being used in organisations are driven by a programs. A program is a set-up stepwise instruction given to a computer to accomplish various Read More …

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COMPUTER HARDWARE FOR INFORMATION SYSTEMS

COMPUTER HARDWARE FOR INFORMATION SYSTEMS INTRODUCTION • A computer is an automatic machine made up of electronic and electro mechanical devices that processed data under program control to generate meaningful information with speed and accuracy. • It can perform long Read More …

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