1. How do Computers Work ?

2. Binary Code
All computers use binary code. Find out what this is.

3. Bits
What is a bit?

4. Bytes
Computer Memory is measured in Bytes.
Find out what a byte is…

5. Computer Storage
The following a units of computer storage. How many bytes do they represent?
1 kilobyte = ? Bytes
1 gigabyte = ?? Bytes
1 Terabyte - ?? bytes

6. Computers use RAM What does RAM stand for? What doe RAM do?
How much does a computer need?

7. Computers use ROM What does ROM stand for? What does ROM do?
How much ROM does a computer need?

8. What can you buy today? Modern computers are very powerful.
Research three computers.
On the next three slides note down the following details for each computer:
How much RAM?
How big is the disk?
What sort of processor?
How much is the computer?

9. Computer 1
RAM
Disk Size
Type of Processor
Price
Other Details

10. Computer 2
RAM
Disk Size
Type of Processor
Price
Other Details

11. Computer 3
RAM
Disk Size
Type of Processor
Price
Other Details

12. Which computer would you buy and why?
Reason 1
Reason 2
Reason 3