Commonwealth Computer Navigator's Certificate

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Tutorial.png Module 1 :
Concepts of Information Technology

Hardware | Software | Networks | ICT in Everyday Life | Security | Law | Health Safety and Environment |

Go to Module 2 :
Using the Computer and Managing Files

Welcome to this section on Hardware. After studying this section you will be able to understand the functioning of Central Processing unit, know about different types of computer memory, input output devices and storage devices.


Computer Performance

Central Processing Unit

Icon objectives.jpg


In this tutorial we will:
  • Understand some of the functions of the CPU in terms of calculations, logic control, immediate access
  • Know that the speed of the CPU is measured in megahertz (MHz) or gigahertz (GHz)

Memory and Storage

Input,Output Devices