Category: ICT


COMPUTER HARDWARE Computer hardware refers to the physical/tangible components or parts of the computer. Hardware is any physical part of the computer that you can touch, see and pickup. Computer hardware is categorized in the following ways; Input hardware devices Read more…


COMPUTER SOFTWARE Computer software refers to the electronic instructions and procedures that command and control the operation of a computer. TYPES OF SOFTWARE There are mainly two types of software. System Software Application software SYSTEM SOFTWARE System software refers to Read more…


SPREADSHEETS A spreadsheet is a grid of rows and columns that accepts entry of data, allows editing, formatting and manipulation of numeric data. Spreadsheets can also display data graphically with the help of charts and graphs. TYPES OF SPREADSHEETS Manual Read more…


THE INTERNET AND THE WORLD WIDE WEB THE INTERNET The Internet, sometimes called simply “the Net,” is a worldwide system of computer networks – a network of networks in which users at any one computer can, if they have permission, Read more…


PRESENTATION SOFTWARE This is application software used to create presentations, which can communicate ideas and other information to a group of audience. The presentation can be viewed as a slide show, which usually displays on a large monitor or projected Read more…


INTRODUCTION TO COMPUTER NETWORKS Definition of a computer Network A computer network is defined as a collection of computers linked together using transmission media for the purpose of communication and resource sharing. Some of the shared resources include internet connectivity, Read more…


INTRANET, EXTRANET & INTERNET Intranet refers to a connection of private computer networks within an organization. Intranet refers to a connection of private computer networks within an organization. An intranet has tools to facilitate communication between organization’s employees or workgroups Read more…


DATA COMMUNICATION This refers to the electronic transfer of data, instructions, and information from one device to another via a transmission media. ELEMENTS FOR DATA COMMUNICATION Sender: The computer or device that generates and sends data is called the sender, Read more…


Electronic Publishing refers to the use of digital resources and equipments to create and disseminate information by electronic means. Desktop publishing refers to the process of producing publications like cards, newsletters, brochures, etc, by designing their texts and graphics layout Read more…


DATABASES A Database is a collection of logically related data with descriptions designed to meet the information needs of an organisation. A Databank is an enormous/large collection of two or more databases for several users within and outside an organisation. Read more…