CompTIA A+ Certification Core 1 (220-1101) - The Power Supply

The video tutorial provides an overview of power supplies used in desktop PCs, detailing their components, functions, and various connectors. It explains the evolution of ATX power connectors and the need for additional connectors for components like hard drives and video cards. The tutorial also highlights modern features such as modular connectors, which offer flexibility in managing cables based on system needs.

What is the primary function of a power supply in a desktop PC?

• To generate power from scratch

• To convert AC power to DC power

• To increase the voltage of the power

• To store power for later use

What is the purpose of the red slider on some power supplies?

• To turn the power supply on and off

• To adjust the fan speed

• To switch between different voltage standards

• To connect to a surge protector

What does a yellow connector on a power supply indicate?

• It provides 5 Volt

• It provides 12 Volt

• It provides 3.3 Volt

• It provides 24 Volt

What is the ATX 12V standard used for?

• To increase the speed of the CPU

• To connect external devices

• To provide additional power to the motherboard

• To reduce power consumption

Which connector is known for powering older components like floppy drives?

• Molex connector

• Mini connector

• PCIe connector

• SATA connector

What is a key advantage of modular power supplies?

• They are cheaper than non-modular ones

• They allow for better cable management

• They have a higher power output

• They come with pre-attached cables

Which connector is specifically used for high-end video cards?

• Mini connector

• SATA connector

• PCIe connector

• Molex connector