Which component on a computer motherboard regulates and distributes electrical voltage to all internal parts?
ACPU
BPower Supply Unit (PSU)
CRAM
DCMOS Battery
Explanation
The Power Supply Unit (PSU) converts high-voltage alternating current (AC) from mains electricity into low-voltage direct current (DC) required to power internal PC components.
Exam Relevance
- Topic: Computer Hardware
- Subtopic: System Architecture
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