Review of network theorems and network analysis. Opamp characteristics & limitations. Negative feedback and applications of opamps such as amplifiers, current sources, filters. Extending the capability of opamps by combining them with discrete devices and other IC's. Voltage regulators, Positive feedback, Schmitt triggers and oscillators. Gates, Flip-flops, Counters, Timers: applications such as water level sensors, Oscillators. Microcontrollers: Assembly Language Programming and a few illustrative applications such as controlling Diwali lights, stepper motors etc.