Device Connectivity | MCQs

Explanation

USB stands for Universal Serial Bus.

USB is a device used to carry data from one to another computer. 

Explanation

Class 1: transmits at 100 mW with a range of 100 meters.

Class 2: Most Bluetooth headsets and headphones transmit at 2.5 mW with a range of 10 meters.

Class 3: transmits with 1 mW at a range of fewer than 10 meters.