Question

______ technology could be used to connect a computer to a cell phone or headphone without any wires or special connectors.
1. Wifi
2. Bluetooth
3. Infrared
4. Cloud

Answer 1

Correct Answer - Option 2 : Bluetooth

The correct answer is "Bluetooth".

Bluetooth:

• Bluetooth is a wireless communication technology that can be used for close-range data transmission from one digital device to another.
• Bluetooth is essentially a one-to-one wireless connection that uses 2.4 GHz-band radio waves.
• Bluetooth technology was created by a telecom company called Ericsson in 1994. It was developed in order to connect two devices without wires.
• It is a short-range wireless convergent technology.
• The maximum connectivity range of a Bluetooth device is about 30 feet.