## What is a signal?

This Video discusses - Introduction of signals, different types of signals, mathematical representation of signals and interesting physical examples of signals that we encounter in our daily life.

## Continuous Time and Discrete Time signals (CT and DT Signals)

In this video lecture you will learn- Introduction of Continuous and Discrete time signals and how these are different from each other. Examples of signals are used to clear the concept of Continuous Time and Discrete Time signals.

## Analog and Digital Signals

This video lecture explains, what are Analog and Digital signals, the waveforms of analog and digital signals, mathematical representation of analog and digital signals. you will also learn here, how to distinguish analog and digital signals with the help of many examples.

## Standard Signals: Step, Ramp, Impulse, Unit doublet, Exponential, Sinusoidal and Gate Signal

This video lecture elaborates various Standard Signals: Step signal, Ramp signal, Impulse signal, Unit doublet signal, Exponential signal, Sinusoidal signal and Gate signal.

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