USB

/juː ɛs biː/ 🇹🇷 USB essential · frequency 10/10

Electronics Engineering · Last updated: July 30, 2026 · How this entry was written

Definition: Universal Serial Bus (USB) is a standard interface for connecting peripherals to a host controller, supporting data transfer, power delivery, and device enumeration. It is widely used in consumer electronics and embedded systems for peripheral communication.

Example in context

“The firmware update is loaded via USB by connecting the development board to a PC and using a mass storage device class driver.”

“Ürün yazılımı güncellemesi, geliştirme kartını bir PC'ye bağlayarak ve bir kitle depolama aygıtı sınıfı sürücüsü kullanarak USB üzerinden yüklenir.”

Where engineers use it

Engineers use USB to interface with development boards, programmers, and debuggers. It is essential for rapid prototyping because it provides a standardized way to transfer data and power without additional hardware design effort.

Synonyms: Universal Serial Bus

Practice: can you use “USB” at work?

You need to flash a bootloader onto a custom PCB with a USB connector. Describe the standard enumeration process and how the host detects the device.

Show a model answer

“Connect the programmer to the target board using a USB cable.”

“USB” in 21 languages

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Frequently asked questions

What does USB mean in engineering?

Universal Serial Bus (USB) is a standard interface for connecting peripherals to a host controller, supporting data transfer, power delivery, and device enumeration. It is widely used in consumer electronics and embedded systems for peripheral communication. In Electronics Engineering, the term carries a usage-frequency rating of 10/10 in the Engineering English library.

How do you pronounce USB?

USB is pronounced /juː ɛs biː/ (IPA). The Engineering English app plays audio for the term and checks your pronunciation with speech recognition.

How is USB used in a sentence?

Example from an engineering context: “The firmware update is loaded via USB by connecting the development board to a PC and using a mass storage device class driver.”

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