Ravi has to transfer a photo on his mobile phone to his friend’s phone in the same room.
Ravi has to transfer a photo on his mobile phone to his friend’s phone in the same room. Which of the following technologies would let him to do this quickly?
1. Bluetooth
2. Infrared
3. Either of the two
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Ravi could either of the two technologies Bluetooth or Infrared which is supported by both the devices involved. Infrared though slightly faster than Bluetooth has a limitation that it needs a clear line-of-sight between the devices for it to work.
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