What is PLC and it's programming lesson 1 (Tamil)

What is plc and how to make a program on it e-learning SCADA : https://www.youtube.com/watch?v=_OxGva1WVCc&list=PLZ3S6mjfO1k_YeI_EHLKhLVfG6T8fauwY 0:00 / 7:31 E-learning PLC : https://www.youtube.com/watch?v=JEqp07ZR2PE&list=PLZ3S6mjfO1k-n8AWlkYiGQVeKtYBi_KrY Suggested: Why we can't store AC in batteries (tamil) 0:06 / 9:46 Electrical concepts : https://www.youtube.com/watch?v=Mmq0ZbVulMw&list=PLZ3S6mjfO1k_ucRFf31kRLBSc6AVYb5ZO Home Decor : https://www.youtube.com/watch?v=O0oFhNVAwNQ&list=PLZ3S6mjfO1k-fahPAQ5Mk5Ztc3zAy0EOI