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