1. Present

2. A computer system includes a computer, peripheral devices, and software Computer refers to a device that accepts input, processes data, stores data, and produces output Input means to feed information into a computer – Words and symbols in a document – Numbers for a calculation – Pictures What is a computer?

3. Data refers to the symbols that represent facts, ideas and objects Processing is the way that a computer manipulates data – performing calculations – sorting lists and numbers – drawing graphs A computer processes data in a device called the central processing unit (CPU) What is a computer?

4. A computer stores data so that it will be available for processing Memory is an area of a computer that holds data that is waiting to be processed – Volatile memory – Non-volatile memory Storage is the area where data can be left on a permanent basis What is a computer?

5. Computer output is the results produced by the computer – Reports – Documents – Music – Graphs – Pictures An output device displays, prints or transmits the results of processing What is a computer?

7. The Personal Computer

8. What??? A Mouse in your Pocket?

9. Primary Button The primary button is used to Click, Double- Click and Drag. Primary Button The primary button is used to Click, Double- Click and Drag. Secondary Button The secondary button is only used to Right-Click. Secondary Button The secondary button is only used to Right-Click. Tertiary Button The third button is only used to Scroll or Size Tertiary Button The third button is only used to Scroll or Size Basic Mouse Controls

10. Mousy Movements

11. Basic Mouse Commands

12. The Keyboard Alphanumeric Keys Function KeysPunctuation KeysControl Keys

13. Central Processor Unit Moves stuff around Adds stuff together

14. Storage Main memory Auxiliary Floppy Hard CD DVD Flash Bits Bytes Kilo Mega Giga Tera

15. Printers Impact Whole Character – Spinwriter Dot Matrix Inkjet Laser Black & White Color

16. Files Data files Software files

17. Networks