December 16, 2022

Introduction Physiology refers to the branch of biology that deals with the study of functions and activities of life or of living matter such as organs, tissues or cells. It aims at understanding the mechanism of living. In simpler terms, physiology refers to the processes and functions that take place inside the body cells of […]

Introduction The bodies of living organisms are made up of small microscopic units called cells. The cells make up the structures of the living organisms and are responsible for carrying out various biological processes in the bodies of the living organisms. Some organisms are made up of a single cell only e.g. amoeba and other

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 all living things yet they differ in many aspects. Amongst animals and plants also there

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 world in terms of scientific principles. It is important to note, however, that living things

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 : NUTRITION IN PLANTS AND ANIMALS – Click to view

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.   4.2                   FUNCTIONS OF AN OPERATING SYSTEM The following functions are identified as common to all

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 and adhered to. One factor to be taken into consideration is the cost involved in

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 –              Disk Operating System ROM- Read Only Memory RAM- Random Access Memory DBMS- Data Base Management

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 number of students in a class, the number of teachers, names of students, the name

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 operator sells confectionaries and toiletries to the students. The canteen operator requests you to develop

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 number of students in a class, the number of teachers, names of students, the