Which of the following was a precursor to the modern IoT?
- Blockchain
- Quantum Computing
- RFID (Radio-Frequency Identification)
- Virtual Reality (VR)
RFID (Radio-Frequency Identification) technology served as a precursor to the modern IoT. RFID allows objects to be identified and tracked using radio waves. It was one of the early technologies that demonstrated the concept of interconnected devices communicating over a network, which is a fundamental aspect of the IoT.
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