The Components of the system unit
par Phisit Wongchan
![Mind Map: The Components of the system unit](https://www.mindmeister.com/image/xlarge/40837514/mind-map-the-components-of-the-system-unit.png)
1. Bay
1.1. Drive Bay
2. Ports and Connecters
2.1. SCSI port
2.2. MIDI port
2.3. Serail port
2.4. Firewire port
2.5. eSATA port
2.6. Bluetooth port
2.7. IrDA port
3. Memory
3.1. Volatile memory
3.1.1. Ram
3.1.1.1. Statice Ram (SRAM)
3.1.1.2. Magnetoresistive Ram (MRAM)
3.1.1.3. Dynamic Ram (DRAM)
3.2. nonvolatile memory
3.2.1. Flash memory
3.2.1.1. Cmos
3.2.2. Memory Cache
3.2.2.1. Rom
4. Data Representation
4.1. Analog
4.2. Digital
5. Processor
5.1. Arithmetic Unite
5.2. Control Unite
6. Power supply
6.1. New node
6.2. New node
7. Expansion Slots and Adaptercard
7.1. Adapter Card
7.1.1. Sound Card
7.1.2. Video Card
7.2. Expansion Slots
7.2.1. Plug and Play
7.2.1.1. Memory Card