Higher-current appliance connector.
Appliance inlet commonly used with C13 power cables.
Common AC power connector used on computers and monitors.
Cable carrying electrical power from a source to equipment.
Heat-dissipating component inside a power supply.
Integrated circuit controlling switching and regulation.
Circuit converting incoming AC to DC.
Capacitor used for filtering and energy storage.
Transformer providing voltage conversion and isolation.
Output-side circuitry of a power supply.
Everything is a system, and every system contains systerms.