Question

A feature 'Bluetooth' now common in mobile phones, gets  its name from a: 

विकल्प

• Chinese 10th Century king

• UK Software Company

• Greek Goddess

• Danish 10th Century King

Answer 1

A feature 'Bluetooth' now common in mobile phones, gets  its name from a Danish 10th Century King

Explanation:

The name "Bluetooth" is an Anglicised version of the  Scandinavian Blåtand/Blåtann (Old Norse blátqnn), the epithet of the tenth-century king Harald Bluetooth who united dissonant Danish tribes into a single kingdom and, according to legend, introduced Christianity as well.