DATA MODEL
What is Data Model?. Data Model can be defined as abstract model whose purpose is to describe how data can be used and represented effectively. A data model is a picture or description which shows how data are to be…
Acadlly Learning
Lesson Notes, Audio Lessons, Exam Questions
Acadlly Learning
Lesson Notes, Audio Lessons, Exam Questions
Category Computer Studies/ICT/IT For All Classes
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.
DATABASE APPLICATION | MICROSOFT ACCESS
STARTING MICROSOFT ACCESS To start Microsoft Access, follow the steps below: Click start button, the program menu Move to the MS Office menu Click on MS Access Once Access is running, an initial screen will be displayed. From the initial…
WORD PROCESSOR
What is Word Processor? This is the act of typing, editing and printing of textual or graphical information using a word processor. Word processor is a software package used on microcomputers with processing power that allow text editing and production…
UTILITY PROGRAMS AND TRANSLATORS
TRANSLATOR These are programs used in converting programs written in other languages to machine language. They are also called language processors. The computer can only execute programs written in machine codes. These codes are tedious for programmers to write; hence…
WORD PROCESSING
WORD PROCESSING – WELL EXPLAINED Word processing software is used to manipulate a text document, such as a resume or a report. You typically enter text by typing, and the software provide tools for copying, deleting various type of formatting.…
OPERATING SYSTEM
This is a set of programs which takes over the operation of the computer to the point of being able to allow a number of programs to be run on the computer without intervention by an operator. It acts as…
COMPUTER SOFTWARE
COMPUTER SOFTWARE: TYPES, IMPORTANCE, FUNCTIONS AND OS Computer Software is refers to collection of programs (instructions) that cause the hardware to work. A program is a written instruction for a computer to perform a specific task. These are thousands of…
PROCESS OF INFORMATION TRANSMISSION
Information Transmission is the process of transferring information from one place to another. There are many ways by which information could by passed across to somebody or group of people. The major methods are: Ancient Method Modern Method Ancient Method…
COMPUTER STORAGE DEVICES
Computer Memory This is the part of the computer where data, programs and information are stored for use of the computer. It comes in form of a chip. The basic unit for computer memory is byte. Other units are KB,…
COMPONENTS OF COMPUTER (OUTPUT DEVICES)
OUTPUT DEVICES These are hardware components used to obtain results from computer after processing. They convert data from machine-readable format into human readable format. Examples of output devices are monitor, printer, speaker, projector, plotter, etc. MONITOR This is an output…
COMPONENTS OF COMPUTER (INPUT DEVICES)
INPUT DEVICES These are hardware components used in entering data into the computer for processing. They convert data from human-readable form into machine readable format. They take information from the user of the computer, convert it into electronic signals and…
APPLICATION OF ICT IN THE SOCIETY
Application Areas of ICT ICT in Everyday Life. ICT is an acronym which stands for Information and Communication Technology. It is defined as set of technological tools and resources used to communicate, create, disseminate, store and manage information. The technologies…
NUMBER BASES
CONVERSION OF OTHER BASED TO DECIMAL SYSTEM To convert numbers in other bases to denary system, expand the given number in powers of its base and evaluate. Examples 1) Convert the following numbers to base ten (i) 10012 (ii) 255eight…
CLASSIFICATION OF COMPUTERS
Computers can be classified based on the following criteria Development of technology (by generation) Principle of operation (by type) Storage capacity or by configuration (by size) Degree of versatility (by purpose) Classification by types Computers can be classified into three…
DIGITIZATION OF DATA
DIGITIZATION OF DATA What is Digitization of data? Digitization is the process of converting analog information into a digital format. For example, scanning of analog source like printed photos or taped text, images or videos into computers for editing. Digitizing…
DATA AND INFORMATION
DATA AND INFORMATION What is data? Data refers to raw facts yet to be processed. It is a fact, number or text that can be processed by a computer. Data has no meaning to the user unless processed to get…
GENERATIONS OF COMPUTER
A 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…
COMPUTER ROOM AND MANAGEMENT ETHICS
What is computer room? A computer room is a place where computers are kept for use. Computers need a room well ventilated and conductive for optimum performance. Types of Computer Room Computer room must be designed intelligently and serve the…
Concept of Data Processing
Data processing is the process of converting raw fact (data) to information (processed data). It embraces the techniques of sorting, relating, interpreting and computing items of data in order to provide meaningful useful information. Steps in data processing i) Preparation…
Number Bases
The Number Bases Number Bases – Binary Number System, Octal Number System, Denary Number System (Decimal) and Hexadecimal Number system.