CompTIA A+ Certification Core 1 (220-1101) - Understanding USB

This video tutorial delves into the workings of USB technology, explaining the concepts of upstream and downstream communication, different types of USB connectors, and the evolution of USB from 1.1 to 3.0 and USB-C. It also covers the use of USB hubs for connecting multiple devices and managing power supply. The tutorial concludes with a demonstration of USB integration in operating systems, highlighting the automation and ease of use in modern systems.

What happens when you plug a USB device into a system?

Explain the concept of upstream and downstream in USB communication.

What are the differences between A connectors and B connectors in USB?

In what ways have USB connectors evolved over the years?

What is the significance of the USB C connector compared to previous USB types?

How do USB controllers on a motherboard function?

What is the maximum number of devices that can be connected via USB?

Describe the role of USB hubs in connecting multiple devices.

What are the limitations of using non-powered USB hubs?

How does the Device Manager in Windows help in managing USB devices?