Definitions
What Is a Power supply unit
A Power Supply Unit (PSU) converts electricity from a wall outlet (AC power) into usable DC power for computer components.
Modular PSU
A power supply where you can plug and unplug all the cables as you like
Name An Advantage of a PSU
Protects components
Stable power delivery
Improves system lifespan
Energy efficient
What does Voltage Mean
The electric potential difference or "pressure" between two points in a circuit that drives electric charge (current) to flow
Semi-Modular PSU
Some cables (like motherboard and CPU) are fixed, while others components Are detachable
Name a disadvantage of a PSU
Can fail over time
Cheap PSUs risk damage
Higher wattage = higher cost
What does Wattage mean
Is a measure of electrical power expressed in watts.
Non-Modular PSU
The classic format, where all the cables are soldered to the power supply unit and cannot be disconnected
Why does a PSU matter (2 Different Points)
Protects expensive computer components
Controls voltage and prevents damage
Affects performance and reliability
Important for gaming PCs & workstations