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.
generation is often referred to the state of improvement in the development of a product. Generation of computer is the advancement of computer technology from time to time. In every generation, the circuitry has become smaller and more advanced than…
There are four classification of computer by size name: (i) Micro computer (ii) Mini computer (iii) Mainframe computer (iv) Super computer Micro Computer A micro computer is the smallest computer that has a processor on a single silicon chip. Its…
Digital Computer This is the type of computer in which data are represented in digital or in discrete form, for example, 0, 1,2,3,4,5, etc. It is a type of computer that is used for processing numeric information. Digital computer measures…
A computer room is a place where computers and other computer devices are kept for use by students or people. A computer room is a place which provides computer services to students who attend the institution on for use in…
ICT covers any product that will store, retrieve, manipulate, transmit or receive information electronically in a digital form. E.g. computer, digital television, email Information Technology (I.T) refers to the systems used to store and manage information through the use of…
ICT in Agriculture: The application of ICT in agriculture is increasing important. E-agriculture is an emerging field focusing on the through improved information and communication process more specifically, e-agriculture involves the conceptualization, design, development, evaluation and application of innovative ways…
Digital divide is the gap between people with effective access to digital and information technology and those with very limited or no access at all. It is the gap between those who use computers and the internet and those who…
INFORMATION AND COMMUNICATION TECHNOLOGY (ICT) Information and Communication Technology is an umbrella term that includes all technologies for the manipulation and computation of information. ICT are the Computation and Communication facilities and features that variously support teaching, learning and a…
WEB SEARCH ENGINE A web search engine is a software system that is designed to search for information on the World Wide Web. To search results are generally presented in a line of results. The information maybe a mix of…
ELECTRO-MECHANICAL COUNTING DEVICES Electro-mechanical counting devices are those counting devices that could be operated both electrically and mechanically These includes the following Blaise Pascal Machine Gottfried Leibniz Machine Joseph Jacquard Loom Charles Babbage Analytical Engine BLAISE PASCAL CALCULATING MACHINE: Blaise…
Electronic counting devices are the modern computer. The electronic counting devices are as follows: Herman Hollerith Punch Card John Von Neumann Machine Modern Computer. HERMAN HOLLERITH PUNCH CARD In 1881, Herman Hollerith began designing a machine to tabulate census data…
Early counting devices: Early people developed certain kinds of counting device. As man advanced the counting also become more and more complex. ABACUS This is the earliest counting device. It was invented 2000 years before it has two section, heaven…
A computer system or tool is a collection of hardware and software components designed to provide an effective tool for computer system and are used in everywhere to assist us in the various task we perform. CHARACTERISTICS OF COMPUTERS AS…
Data processing is the collection and manipulation of items of data to produce meaningful information. Data processing is the process of manipulation data to generate information. Data processing methods are techniques used to process/sort different types of data. TYPES OF…
FILE: A file is the common storage unit in a computer. All data are contained in a file. A computer file is a resource for storing information, which is available to a computer program and is usually based on some…
Information transmission is the exchange of information from the sender to the receiver in any form, i.e. through voice, data, text and image over any kind of media, hand written medium, etc. There are two methods of information transmission namely:…
ICT covers any product that will store, retrieve, manipulate, transmit form e.g. Computers, digital T.V, email, etc. Examples of ICT (i) Radio (ii) Television (iii) GSM (iv) Cellular network (v) Computer (vi) Internet (vii) Satellite communication ICT TOOLS Medium to…
Evolution of information and communication technology (ICT) has passed through different stages, namely; invention of printing stage, invention of radio and television stage, invention of computer stage as well as linking up computers with information and communication technology (ICT). INVENTION…
Information is processed data. Information is useful and meaningful to the users. Unprocessed information is called data. The singular form of DATA is called DATUM. Qualities/Characteristic of Good information A good information must process the following qualities Timely: A good…
What is Data? Data is the raw material for data processing. It is a representation of unprocessed facts about people, places, events, objects, or transactions recorded from which information can be prepared. It can be represented with the help of…