ECE is a broad engineering field with sub fields - Analog/Digital electronics, VLSI, 4G/5G, Radio and Satellite Communications, Embedded systems, Signal & Image Processing, Robotics, IOT, Smart Cities, Edge Computing, AI, Quantum Circuitry, Nano-electronics, Photonics, Renewable Energy and many others. The ECE discipline utilizes various simulation, algorithms and fabrication tools to develop active/passive electrical devices that include diodes, transistors, semiconductors, and integrated circuits, etc to aid in design and fabrication of electronic circuits, devices, VLSI devices, PCB, Nano-devices and their various application systems.