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system unitis by Mind Map: system unitis

1. Power supply

1.1. The power supplyconverts the wall outlet AC power into DC power

2. Processor

2.1. Multi‐core processor

2.2. Dual‐core processor

2.3. Quad‐core processor

3. Memory

3.1. Volatile memory

3.1.1. RAM

3.2. Nonvolatile memory

3.2.1. ROM, flash memory, and CMOS

4. Drive bay(s)

4.1. A drive baytypically holds disk drives

5. Sound card

6. Video card

7. Ports and Connectors

7.1. Firewireport Bluetoothport SCSIporte SATAport IrDAport Serialport MIDIport

8. Buses

8.1. PCI busPCI Express busAccelerated Graphics PortUSB and FireWire busPC Card bus