Month: May 2021

WORD PROCESSING.   Word processing is the art of text manipulation.  It involves creating & producing professional looking documents such as letters, memos, reports, etc.   Definition of a Word Processor.     A Word Processor is a computer program Read More …

SPREADSHEETS.   Definition of a Spreadsheet.       A Spreadsheet is a ledger sheet that lets the user enter, edit, and manipulate numerical data.   A Spreadsheet usually consists of a series of rows & columns in which data Read More …

DESKTOP PUBLISHING (DTP).   Introduction   Publishing is the process of producing publications such as newspapers, cards, pamphlets, pictures, calendars, books, etc that has special text and graphical layouts & designs.   Traditionally, publishing involved drawing and writing manually on Read More …

DATABASES.   What is a Database?   It is a collection of information related to a particular subject or purpose.   A collection of related data or information grouped together under one logical structure.   A logical collection of related Read More …

INTRODUCTION TO COMPUTERS. Definition of a Computer: A Computer is an electronic device that operates (works) under the control of programs stored in its own memory unit.   A computer is an electronic machine that processes raw data to give Read More …

INTERNET.   Why Study about the Internet?   To understand what the Internet is, the services that it offers, what is required in order to get connected, as well as to establish a connection and log out of the Internet. Read More …

   DATA SECURITY AND CONTROL   Introduction   Data & Information must be protected against unauthorized access, disclosure, modification or damage.  This is because; it is a scarce & valuable resource for any business organization or government.  It is mostly Read More …

  DATA COMMUNICATION AND NETWORKING: COMPUTER NETWORKING   Networking is the concept of sharing resources and services. A network of computers is a group of interconnected systems sharing resources and interacting using a shared communications link. A network, therefore, is Read More …

COMPUTER SOFTWARE.   Software refers to the various programs & data used in a computer system that enable it perform a no. of specific functions.   Software instructs the computer on what to do and how to do it.   Read More …

INTRODUCTION TO COMPUTERS. Definition of a Computer: A Computer is an electronic device that operates (works) under the control of programs stored in its own memory unit.   A computer is an electronic machine that processes raw data to give Read More …