What interface allows users to connect a variety of devices?

• A. USB
• B. HDMI
• C. Bluetooth
• D. Ethernet

Answer: (B)

The correct choice is USB, as it serves as a universal interface that allows users to connect a wide range of devices, including peripherals like keyboards, mice, printers, and external storage devices. USB supports different types of connections and data transfer speeds, making it versatile for various applications.

HDMI, while it connects audio and video devices, is more specialized and not typically used for peripheral connectivity. Bluetooth is primarily used for wireless connections between devices but does not encompass the variety of wired connections that USB supports. Ethernet is mainly utilized for networking and internet connectivity, rather than directly connecting a broad range of devices. Therefore, USB stands out as the most comprehensive interface for connecting diverse devices.