1. What is a Computer System?
Lesson 1
What is a Computer System?

2. Introduction In this unit you are going to find out about:
What a computer is!
What can computers be used for?
The different parts of a computer and what they do
You will be using ‘Animation’ to present what you have learned using ‘Serif DrawPlus’

3. X/ICT/Key Stage 3/ Year 7/Computers 101
Starter
First you need to open and save the powerpoint presentation called “ Dummies Guide to Computers”.
This presentation can be found by going to the Marking area on the X drive.
I will show you how to find this now.
X/ICT/Key Stage 3/ Year 7/Computers 101

4. Today’s Lesson Learning Objectives:
Understand what a computer system is and the different types
Identify the different uses and users of computer systems
Excellence I can explain the benefits / limitations of different computer systems for different uses
Developing
I can discuss how different computer systems are used by different people / situations
Secure
I can identify the main elements of a computer system, different types, and some of their uses
Foundation
I can describe what a computer system is and some types

5. e.g. Search for “what is a computer system”
Today’s Task 1
Discuss the questions below with a partner.
What is a computer system?
a) Now write your answer on slide 2 of the “Dummies Guide to Computers”.
b) Go and find a definition explaining what a computer system is from the internet
e.g. Search for “what is a computer system”
“I think a computer is…”
Look at this word cloud to help you

6. A computer system… Computer System
Is complete working computer (it can do things!)
Data can be ‘Input’ (What do you use to input things into a computer?)
Data is processed (changed, used) in some way
It has ‘Programs’ that run on it to do things (What programs do you use?)

7. A computer system… Computer System
Data can be ‘Output’ (What do you use to see things output or produced by the computer?)
It can save data using ‘Storage’ (Why would you need to save things?)

8. A computer system… Computer System
Basically, as long as it can do these things, it is a ‘Computer System’!

9. Computer System
There are quite a few different types of computer systems!...
Can you think of any?
Computer Servers
Palmtop / PDA
Desktop PC
Tablets
Games Consoles
Embedded Devices ?
Laptop / Notebook / Netbook
Smartphones
These are all types of computer system!

10. Types of computer systems
Today’s Task 2
Types of computer systems
Make a list of the different types of computer systems that you know / can remember
Add an image for each
These are example, but what are they? e.g. Laptop!
Completely stuck? Search for “types of computer systems” or look at links on LearnCoombeDean
Extension!: What are they used for? Add label to explain!

11. Used for what? By who? What can computers be used for?
- Hands up for ideas!
Who uses computers?
You are now going to think about the different uses of computers and the different people who may use them.

12. Today’s Task 3 Find some images (and label them) to show:
What you use a computer for
What your friends/family use a computer for
What the rest of the world uses a computer for
Put the images you find and label them on slide 3 of the “Dummies Guide to Computers”.

13. Plenary Computers can do some amazing things.
Here are some examples of what they can do:
Improving your social skills
Surface computing
Humanoid robot
Computers used in training for surgeons
Nanotechnology used for cleaning
Power of Nanotechnology Video Blow Your Mind - YouTube