By the end of the lesson you will:

1. Be able to identify different types of computers

2. Be able to explain the advantages and disadvantages of different computers

Lesson Objectives

Types of ComputersIdentify different types of computer includingPC, mainframe, laptop, netbook and PDA

Desktop

SmartPhone

Personal Digital Assistant

MainframeNetbook

Laptop

Embedded

Task

• Complete the Timeline worksheet and stick it in your book…

Use the link to the teach-ict.com website as well as other websites to find the information…

What have you found out…• Colossus – The world’s first computer

• Mainframes – Large powerful computers used by organisations

• Desktop – General purpose computer used by individuals

• Laptop – Portable, same as desktop except it has a battery

• Netbook – Small version of a laptop, lightweight, cheaper, although

has less functionality

• PDA – A mobile device that functions as a personal information

manager, often has the ability to connect to the Internet

• Smartphone – A smartphone is a mobile phone that includes advanced functionality beyond making phone calls and sending text messages

Plenary – Hands up!• What’s the difference between a netbook and a

laptop?

• What does PDA stand for?

• Who would use a mainframe computer?

• What are the uses of a desktop computer?

• How have smartphones affected you?