Power Supply Quiz

Power Supply Quiz

Test your knowledge about power supply units and their functions in computer hardware.

published on December 18, 2023
1/11

What is the purpose of a power supply unit (PSU) in a computer?

What is the purpose of a power supply unit (PSU) in a computer?
To convert AC power from a wall outlet into DC power to operate the computer components.
To regulate the temperature of the computer components.
To store and supply extra power for overclocking.
To connect external devices to the computer.
2/11

Which form factor describes the standard size and shape of a power supply?

Which form factor describes the standard size and shape of a power supply?
ATX
ATX12V
BTX
ITX
3/11

What is the primary voltage output provided by a power supply to a computer motherboard?

What is the primary voltage output provided by a power supply to a computer motherboard?
3V
12V
5V
1.5V
4/11

Which component of a power supply is responsible for converting AC to DC power?

Which component of a power supply is responsible for converting AC to DC power?
Rectifier
Transformer
Inverter
Capacitor
5/11

What is the efficiency rating of a typical high-quality power supply?

What is the efficiency rating of a typical high-quality power supply?
50%
70%
80%
90%
6/11

What is the purpose of a 6+2-pin PCIe power connector on a power supply?

What is the purpose of a 6+2-pin PCIe power connector on a power supply?
To provide power to graphics cards.
To connect multiple hard drives.
To supply power to the motherboard.
To connect external peripherals.
7/11

Which of the following is a characteristic of a modular power supply?

Which of the following is a characteristic of a modular power supply?
Fixed cables that cannot be detached.
Removable cables for a cleaner and customizable build.
Higher power output compared to non-modular counterparts.
Smaller physical size for compact systems.
8/11

What is the function of a power supply's fan?

What is the function of a power supply's fan?
To cool down the power supply and maintain safe operating temperatures.
To improve wireless connectivity.
To provide additional storage for system files.
To increase the resolution of the display.
9/11

What is the typical lifespan of a power supply?

What is the typical lifespan of a power supply?
1 year
3 years
5 years
10 years
10/11

Which of the following is a safety feature commonly found in modern power supplies?

Which of the following is a safety feature commonly found in modern power supplies?
Overload protection
Overclocking support
Wireless charging capability
Built-in speakers
11/11

Which power supply certification indicates high efficiency and stable power delivery?

Which power supply certification indicates high efficiency and stable power delivery?
80 PLUS Bronze
80 PLUS Gold
80 PLUS Silver
80 PLUS White