Power Supply and Cooling Systems

1. : Which component converts AC (Alternating Current) from the wall outlet into DC (Direct Current) for the computer?
(A) Cooling Fan
(B) Power Supply Unit (PSU)
(C) Battery
(D) Transformer

2. : What does a heat sink primarily do in a computer system?
(A) Store power
(B) Provide backup energy
(C) Absorb and dissipate heat from components
(D) Convert AC to DC

3. : Which component is most commonly used to cool the CPU?
(A) PSU
(B) Cooling Fan
(C) Hard Disk
(D) Speaker

4. : Which type of cooling system uses liquid to reduce heat in high-performance computers?
(A) Air Cooling
(B) Fan Cooling
(C) Water Cooling
(D) Heat Sink Cooling

5. : Which of the following is NOT a function of the power supply unit?
(A) Providing electrical power to components
(B) Voltage regulation
(C) Converting AC to DC
(D) Performing logical operations