1. Tasks 1.Check you have the following posts: 1.Hardware and Software 2.Input and Output 3.Components of a Computer 2.ALL fonts should be a sensible size and colour. NO ALL CAPITALS. 3.All sentences should make sense – READ YOUR WORK. 4.Highlight or otherwise bring attention to KEY WORDS 5.Illustrate your posts with pictures.

2. Hardware and software You should have at LEAST the following: A definition of Hardware - Hardware is a physical component of a computer system. This means you can touch and hold it. At least 3 examples of hardware with descriptions if necessary A definition of software – Software is the applications or programs that control or provide useful functions on a computer. They are not physical. Software is simply a list of instructions. At least 3 examples of software with descriptions if necessary.

3. Input and output You must have: Definitions of input and output Input is information or data that flows IN to a computer system Output is information or data given OUT by a computer system. Some examples of input and output – what form could they take? Some sensible illustrations

4. Components of a computer You must have: The diagram from the shared area. An explanation of the diagram – it is a diagram which shows the main components of any computer system. A computer is simply a device which takes input and processes it in order to provide useful output. Processing is the act of manipulating or otherwise changing data in a way which is considered useful. Continue to the next slide for the CPU

5. CPU You must have answered the 4 questions IN DETAIL: 1.What does CPU mean? Definition. 2.What is the purpose of the CPU? What is it’s role in a computer, what EXACTLY does it do? How? 3.How fast are modern CPU’s? What is a CPU cycle? What does the CPU cycle look like? Get a diagram! 4.What does GHZ mean? What is a Hertz? How does this relate to a CPU cycle? How many Hertz/Cycles are there in 1 MHZ How many Hertz/Cycles are there in 1 GHZ?