The Components of the System Unit

1. Data Representation

1.1. Memory

1.1.1. Memory size

1.1.2. Types of Memory

1.1.3. RAM

1.1.4. ROM

1.1.5. Flash memory

1.1.6. CMOS

1.1.7. Access time

1.1.8. Cache

1.1.9. Bytes and Addressable Memory

1.2. Expansion Slots and Adapter Cards

1.2.1. Memory cards, USB flash drives, and PC Cards/ExpressCard modules

1.3. Ports and Connectors

1.3.1. Serial Ports

1.3.2. Parallel Ports

1.3.3. USB port

1.3.4. Firewire port

1.3.5. Special-Purpose ports

1.4. Buses

1.4.1. Expansion buses

1.5. Bays

1.6. Power Supply

1.7. Putting It All Together

1.8. Keeping Your Computer

1.9. Mobile Device Clean

2. The System Unit

2.1. The Motherboard

3. Processor

3.1. The Contron Unit

3.2. The Arithmetic logic unit (ALU)

3.3. The system clock

3.4. The Machine Cycle

3.5. Registers

3.6. Dual-Core and Multi-Core Processsor

3.7. Comparison of Presonal

3.8. Baying a Personal Computer

3.9. Parallel Processing