I was asked to derive the logic for 8 segment display using digital circuits. I made use of kmap and gave the end equation. Later used the digital rules to compress the huge equation. In signals i was asked to explain Amplitude and frequency modulation ..i drew graph and explained. In circuits i was asked to justify how/why the internal resistance to voltage source is 0. In networking i was provided a ip subnet and cater a number clients. And questioned what happened when we access in google.com. i explained layer by layer