M

Mr. Dubey • 52.30K Points
Coach 

Q. Bluetooth uses

(A) frequency hopping spread spectrum
(B) orthogonal frequency division multiplexing
(C) time division multiplexing
(D) channel division multiplexing
Correct : Option (A)

Explanation: 
 frequency hopping spread spectrum is a method of transmitting radio signals by rapidly changing the carrier frequency and is controlled by the codes known to the sender and receiver only.

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