Components of a Computer System

1
Components of a Computer System

• Lesson 1 Hardware

2
Learning Objectives

• Define hardware, giving examples.
• Define peripheral devices.
• State if input devices are peripheral devices and
  explain why.

3
Hardware

• Look at a desktop computer with the top or side
  panels off
• Hardware are the components which are hard to
  the touch.

4
Structure Diagram
Central / Essential Computer
5
Peripheral Devices

• Hardware that is not part of the essential
  computer, i.e. the memory and microprocessor.

6
Data

• Data is the raw facts given to the computer.
• Information only becomes data

7
Building a Computer

• Some clients want advice about computers, needing
  to know what the components of a computer are and
  how they work.
• You will make a website for them dividing the
  components into the different types.

8
Input Devices

• Students -- ICT -- IGCSE -- Computer System -- 1
  Input Devices
• Follow the instructions.

9
Plenary

• What is hardware?
• The components of a computer which are hard to
  the touch.
• What is a peripheral device?
• Hardware that is not part of the essential
  computer, i.e. the memory and microprocessor.
• Are input devices peripheral devices and why?
• Yes they are as they are not part of the
  essential computer, i.e. the memory and
  microprocessor.