CELL PHYSIOLOGY

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,… Read More

THE CELL

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… Read More

CLASSIFICATION I

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

OPERATING SYSTEMS

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

COMPUTER COMPONENTS

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