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.
TECHNOLOGY OF DIFFERENT INFORMATION AGE Technology is a term used to describe methods, means, materials and devices developed to solve human challenges 1. Stone Age: The early men first made farming tools, which are used for production of crop/food or…
CREATING A NEW DOCUMENT Steps on how to create a new document 1) Move the mouse pointer to office button 2) Click on Microsoft Office Button 3) A drop-down menu will appear 4) Move the mouse pointer to new and…
LOADING AND EXISTING MS WORD Loading Microsoft Word: Microsoft Word is a word processing package that enable the user to type, correct, edit, format and print out text and graphics in letters, reports, newsletters, etc. Steps on how to load…
CPU sometimes referred to simply as the Central Processor, but more commonly called Processor, the CPU is the brains of the computer where most calculations take place. The Central Processing Unit (CPU) of a computer is a piece of hardware…
SYSTEM UNIT A system unit is the box that houses the sensitive computer hardware. It allows a good and neat arrangement of computer hardware. The cases of the system unit are made of light weight fabricated steal. Types of casing…
WORD PROCESSING A word processor is an electronic device or computer software application that performs the task of composing, editing, formatting and printing of documents. Word processing software is used to manipulate a text document, such as a resume or…
OUTPUT DEVICES: There are the physical components of a computer used to obtain results from computer after processing. There devices convert data from machine-readable format into human-readable format. Examples: (a) Monitor (b) Printer (c) Plotter (d) Speaker (e) Projector (f)…
SYSTEM START UP, BOOTING AND SHUT DOWN System Start Up This is a general term used to describe the process of preparing the computer, operating system, hardware, or software for operation. This is more commonly referred to as the boot…
MOUSE A mouse is a hand-held input device that controls the movement of the cursor or pointer on the screen of the monitor. Mouse has at least two buttons and sometimes newer mice also include a scroll wheel for scrolling…
INPUT DEVICES An input device is a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboard, mouse, scanners,…
KEYS ON KEYBOARD A keyboard is an input device that resemble a typewriter, which is used to type text, numbers, symbols, commands and to give instructions to the computer. Alphanumeric keys: These are used to type letters and numbers, the…
Definition of Computer Computer is an electronic device or machine which has the ability to accept data, process data and send out information as output. it has the ability to store and retrieve information. A computer is a programmable machine,…
A graphic is a digital representation of drawing, chart or photographs. It can also be called a picture or image which contains no motion or animation. Graphic package is an application that can be used to create and manipulate images…
What is Microsoft Power Point? Microsoft PowerPoint is a presentation program that is incorporated in Microsoft Office suite package. It offers word processing, outlining drawing, graphing and presentation management tools Starting a presentation with Microsoft PowerPoint There are two ways…
What is presentation package? A presentation package is a software package used to display information in the form of a slide show. It provides the resources necessary to give a professional presentation for meetings, lectures, speeches or other similar situations.…
What is internet? Internet or simply “The Net” is a worldwide system of computer networks in which used at any one computer can, if given permission or access, get information from any other computer. It is the largest connected of…
PRACTICAL ON INTERNET E-mail is a method of sending digital messages from one computer to another. E-mail is short for Electronic Mail. E-mail is received instantly by the users email provider and mails stay in the mailbox until accessed by…
File organisation refers to the way in which data is stored in a file and the methods by which it can be accessed. Database is stored as a collection of files. Each file is a sequence of records. A record…
Normalization of Database Database Normalization is a technique of organizing the data in the database. Normalization is a systematic approach of decomposing tables to eliminate data redundancy and undesirable characteristics like insertion, updates and deletion Anomalies. It is a multi-step…
Data modeling is a process used to define and analyze data requirements needed to support the processes within the scope of corresponding information system in an organization. Creating simple data mode Microsoft Access offers one table, queries, forms, reports, macros…