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HomeHomework Helpcomputer-scienceUSB Standards Overview

USB Standards Overview

USB standards define the protocols and physical connections used to interface computers with peripheral devices, ensuring compatibility and functionality across various manufacturers and device types.

beginner
2 hours
Computer Science
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Overview

Universal Serial Bus (USB) standards are essential for connecting various devices to computers and power sources. They define the specifications for different types of connectors, data transfer rates, and power delivery capabilities. Understanding these standards helps users choose the right cables ...

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Key Terms

USB
Universal Serial Bus, a standard for connecting devices.

Example: You use a USB cable to connect your phone to a computer.

USB-A
A common USB connector type, typically used in computers.

Example: Most USB flash drives have a USB-A connector.

USB-C
A newer, reversible USB connector that supports higher data rates and power delivery.

Example: Many smartphones now use USB-C for charging.

Data Transfer Rate
The speed at which data is transferred between devices.

Example: USB 3.0 has a data transfer rate of up to 5 Gbps.

Power Delivery
A specification that allows USB devices to deliver higher power levels.

Example: Laptops can charge quickly using USB Power Delivery.

Backward Compatibility
The ability of newer USB versions to work with older devices.

Example: USB 3.0 ports can connect to USB 2.0 devices.

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Thunderbolt Standards
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Networking Basics
Introduces fundamental networking concepts and protocols.
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Key Concepts

USB TypesData Transfer RatesPower DeliveryBackward Compatibility