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AIIMS (All India Institute of Medical Sciences) General Knowledge: Questions 1 of 33
Answer
Explanation
Bluetooth is a wireless technology standard for exchanging data over short distances from fixed and mobile devices, and building personal area networks Invented by Dutch electrical engineer Jaap Haarstsen , working for telecom vendor Ericsson in 1994.
Wi-Fi is a technology for wireless local area networking. Wi-Fi is a trademark of the Wi-Fi Alliance, which restricts the use of the term Wi-Fi certified to products that successfully complete interoperability certification testing . Devices that can use Wi – Fi technology include personal computers, video-game consoles, smartphones and tablets, digital cameras, smart TVs, digital audio players and modern printers.
Near field, Communication or NFC is a set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a smartphone, to establish communication by bringing them within 4cm of each other.
Is a wired device.