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Introduction Biology has been defined as the study of living things (living organisms). Even though all living things share similar characteristics discussed in the introductory chapter, the living things exhibit a lot of differences. In particular, animals and plants are Read More …

Biology is a branch of science that deals with the study of living things. There are diverse forms of life on earth ranging from the invisible microscopic living things to the gigantic life forms. It aims at explaining the living Read More …

TOPIC 1 : INTRODUCTION TO BIOLOGY – Click to view TOPIC 2 : CLASSIFICATION I – Click to view TOPIC 3 : THE CELL – Click to view TOPIC 4 : CELL PHYSIOLOGY – Click to view TOPIC 5 : Read More …

FORM 1 SECONDARY SCHOOL NOTES – Click to download FORM 2 SECONDARY SCHOOL NOTES – Click to download FORM 3 SECONDARY SCHOOL NOTES – Click to download FORM 4 SECONDARY SCHOOL NOTES – Click to download

4.1                   DEFINITION OF THE TERM: ‘OPERATING SYSTEM’  Operating System as defined earlier, is a set of programs available within  the  system  software  that  standardizes  the  way  a  computer’s resources are made available to the user and to applications software.   Read More …

3.1       BEHAVIOUR IN THE COMPUTER LAB  Computer lab forms a very important section of an organization or school and therefore strict rules in terms of behaviour of personnel/students working/studying in the lab needs to be put in place Read More …

DIAGRAMMATIC REPRESENTATION OF DIVISIONS OF A COMPUTER The following diagram shows the basic physical computer breakdown that will serve as a reference throughout the chapter. KEY: C.P.U      –      Central Processing Unit A.L.U      –      Arithmetic Logic Unit DOS –              Read More …

Before we attempt to define a Computer, there are a number of associated terminologies that the learner needs to know beforehand. These are: Data, Information, and Programs. Data is the name given to facts. For example, in a school, the Read More …

Introduction In this chapter, we shall undertake a case study entitled A school canteen management system. The objective of this case study is to help the students to apply the programming techniques learnt in Form 3 Preamble A school canteen Read More …

Introduction In this chapter, we undertake a case study entitled Bukuma information system. The objective of this case study is to help the student apply the system development techniques learnt in Form 3. We shall address each step that is Read More …