Month: October 2021

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

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 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 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 …

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 …

OFFICE AUTOMATION SYSTEM OAS refers to the user mechanical, electrical, & electronic devices to enhance communication in the work place & increase the efficiency & productivity of knowledge workers or clerical workers. OAS includes: Word processing Electronic mail Voice mail Read More …

INTRODUCTION The natures and scopes of information required by managers and different levels in an organization vary considerably. Organization required different types of information system to meet their needs. The fields of information system have come a long way in Read More …