The System Unit

1. Memory

1.1. The Operating System and Other System Software

1.1.1. Application Program

1.1.1.1. Data Being Proccessed And Vesuting Information

2. Processor

2.1. Muti Care Processor

2.1.1. Dual Care Arocersar

2.1.1.1. Quad Core Arocersor

3. Video Card

4. Sound Card

5. Power Supply

6. Drive

7. Data Representation

7.1. Analog

7.2. Digital

8. Ecpansion Siots And Adapter Cards

8.1. Expansion Slot

8.2. Adapter Card

8.3. Plug and Play

9. Buses

9.1. Pci Bus

9.2. Pci Express Bus

9.3. Accelerated Graphics Port

9.4. Usb And Firewire Bus

9.5. Pc Card Bus