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24june2019 paper1 Q38

38Which of the following statements(s) is/are true in respect of wireless technology?
P: Bluetooth is a wireless technology that can be used to connect a headset to a mobile phone.
Q: Bluetooth is a long-range wireless technology and is a low-cost means of data transfer.
  • Option : A
  • Explanation : Bluetooth is a wireless technology standard for exchanging data between fixed and mobile devices over short distances using short-wavelength UHF radio waves in the industrial, scientific and medical radio bands, from 2.400 to 2.485 GHz, and building personal area networks (PANs). It was originally conceived as a wireless alternative to RS-232 data cables.
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