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The concept where physical and digital worlds merge through smart devices and data exchange is called Industry ________.
Answer: 4.0
Industry 4.0 (Fourth Industrial Revolution) integrates IoT, AI, cloud computing, cyber-physical systems, and real-time data analytics into manufacturing. Enables smart factories with predictive maintenance, mass customization, and autonomous decision-making. India's SAMARTH Udyog initiative promotes Industry 4.0 adoption in MSMEs.