The Components of the System Unit
by Kanyarat Soontornchainaksaeng
1. Data Representation
1.1. Analog
1.2. Digital
2. Expansion Slots and Adapter Card
2.1. Expansion Slots
2.1.1. Plug and Play
2.1.1.1. Memory Card
2.2. Adapter Card
2.2.1. Sound Card
2.2.2. Video Card
3. Buses
3.1. PCI bus
3.2. PCI Express bus
3.3. Accelerated Graphics port
3.4. USB and Firewire bus
3.5. PC Card
4. Bay
4.1. Drive bay
5. Power supply
6. Processor
6.1. Control Unit
6.2. Arithmetic Logic Unit
7. Memory
7.1. Volatile memory
7.1.1. Ram
7.1.1.1. Dynamic Ram(DRAM)
7.1.1.2. Static Ram(SRAM)
7.1.1.3. Magnetoresistive Ram(MRAM)
7.2. Nonvolatile memory
7.2.1. Memory Cache
7.2.1.1. Rom
7.2.2. Flash Memory
7.2.2.1. Cmos