Lesson Notes, Audio Lessons, Exam Questions
Lesson Notes, Audio Lessons, Exam Questions
This section covers Computer Studies, ICT, and IT lessons for all class levels. Whether you are starting with the basics of computer literacy or advancing into programming and networking, you’ll find organized content that aligns with school curricula.
Students and teachers can explore topics such as computer hardware, software, internet usage, word processing, spreadsheets, coding basics, and cybersecurity.
These resources are ideal for boosting classroom learning, preparing for examinations, and improving real-world tech skills necessary for academic and professional success.
Learn Computer Studies, ICT, and IT for all classes with carefully structured topics. Access lessons designed to build digital skills from basics to advanced levels.
A computer is an electronic device that can accept data and process data in order to get the required information. The computer receives data through the input device, and it processes the data to generate 1information which it produces and…
THE KEYBOARD AND TYPES OF KEYBOARD CONTROL KEYS:they are used in line with other keys to instruct the computer to perform specific tasks. They are ctrl, del Esc and Alt. CURSOR- CONTROL KEYS: otherwise known as curdor manipulations keys allow…
Definition of the Keyboard The keyboard is an input device that is used to send data into the computer. Its cable must be connected to a port of the system unit before it can operate. It is similar to an…
There are different basic types of processing; namely: Batch processing Real time processing Time sharing processing Demand processing Batch processing In Batch processing, data are gathered over a period of time and the batch of transactions is processed together. It…
Data processing is the process of converting data into meaningful information. It involves collection of data or gathering of data. Data processing often refers to the use of computers in commercial applications as distinct from engineering applications. It is also…
ADVANTAGES OF USING WORD PROCESSING PACKAGES The use of computer allows for neat jobs. It makes typing pleasurable. There is room for corrections such that it does not scar the document. With the use of the computer, text could be…
INTRODUCTION TO WORD PROCESSING PACKAGES A word processing package enables you to type in and manipulate text. It helps you to enter, store, format, copy and print text. It is a software that turns the computer into a sophisticated typewriter.…
Computers functions best when used in the right environment. The right environment can be refers to as the computer room Computer room is a room specially created for keeping computers and other peripheral devices. COMPUTER ROOM REQUIREMENT Computer system Furniture…
A System unit also known as a base unit, is electronic circuitry housed within the computer cabinet. It is the part of the micro computer that contains the Central Processing Unit (CPU). THE INTERNAL FEATURES OF THE SYSTEM UNIT Is…
THE MONITOR The monitor is an output device used to display information. The monitor is also called Visual Display Unit (VDU). It is similar to ordinary television screen. The output on a monitor is called softcopy. This output is available…
SPREADSHET TERMINOLOGIES A cell is a space in a worksheet formed by the intersection of a row and a column. An active cell is the cell that is currently being worked on. For example, cell G7 is the active cell…
Spreadsheets are like lined paper with columns. The sheet itself comprises of columns (vertical) and rows (horizontal) which are in turn, made up of cells. A spreadsheet is the computer equivalent of a paper ledger sheet. The spreadsheet can be…
There are various forms or ways by which database can be set up. They include: Flat file database Relational database Hierarchical database Network database Operational database Distributed database End user database FLAT FILE DATABASE This is the traditional data…
Database is an application that is used to store information in a structured way. It is a collection of records or data in an organized form. A database is an organized collection of related information that allows the storage of…
In Education: Digital literacy is more than having the knowledge of how to use a computer, what your software program does, or the function of the hardware but also about using that knowledge to actually facilitate the learning process. Educators…
The term digital describes electronic technology that generates stores and processes data in terms of two states which is either positive or negative, 0 or 1. However, literacy is the ability to read and write or the ability to use…
OLD ECONOMY Old economy is the economy system mainly based on subsistence farming. It involves trade by barter. It is associated with the under-developed or developing countries of the world. FEATURES OF OLD ECONOMY Its processes were time consuming. It…
Digital Divide is used to describe the division of the world into two different groups. i.e. those that have access to the internet and those who do not have access to the internet. In other words, it is the unequal…
A search engine is a software program or script available through the Internet that searches documents and files for keywords and returns the results of any files containing those keywords. A search engine is a site on the WWW that allows you to search for other websites. It…
The word “INTERNET” stands for International Network simply put as NET. It comprises of all computers around the world, connected together to share resources and information irrespective of distance and/or geographical location. The Internet is a worldwide communication medium or…