What is Spreadsheet Used For?
This article helps beginners to understand what is spreadsheet, what is spreadsheet used for, and what is spreadsheet Excel. A spreadsheet program…
Kelechi Agomuo
Kelechi Agomuo
Basic Guide on Using the Internet for Junior Secondary Students
The Internet is a global system of interconnected computer networks of private, public, academic, business and government networks. This guide will help…
Kelechi Agomuo
Number Bases and Basic Programming for Junior Secondary Students
Number bases are a system that uses digits to represent numbers in a counting system. This tutorial begins with number bases, including…
Kelechi Agomuo
Information Technology and the Digital Divide for JSS (Updated)
Information Technology describe devices and applications used to create, modify, store, communicate and manage information. Digital divide is the gap in ICT.
Kelechi Agomuo
Examples of Computer Viruses and the Human Issues (updated)
Computer viruses are small software programs that are designed to spread from one computer to another. There are examples of computer viruses…
Kelechi Agomuo
Different Generation of Computers [1st to 5th] (updated)
There are five generations of computers (1st to 5th). Each generation represents a major breakthrough in technology. The first generation of computers…
Kelechi Agomuo
Fundamental Computer Ethics and Safety Measures (updated)
Computer ethics is a set of moral principles that govern and regulate the use of computers. These are privacy and social concerns…
Kelechi Agomuo
Fundamental Concepts of Computer System
This tutorial teaches beginners the basic concepts of a computer system. It is for Beginners and junior secondary students who wish to…
Kelechi Agomuo
Database Models for Beginners and Students
A database is a collection of data that is organized in a specific way for easy access using queries. It is a…
Kelechi Agomuo
Counting Devices and the Modern Computer System
Electronic Counting Devices gave way to modern computer. with the invention of Herman Hollerith Punch Cards and the development of Von Neuman…
Kelechi Agomuo
Information Transmission and Information Evolution (updated)
Information evolution could be classified into four different stages. Information transmission is the process of passing information from a source to an…
Kelechi Agomuo
The Concept of Data and Information for Beginners (Updated)
Data and information are useful computer concepts that everyone new to computer systems should know. Data could be viewed as raw values…
Kelechi Agomuo