S S Kiran Sir Describes about Signals and Systems Introduction.. The following topics are Introduction about SIGNALS and SYSTEMS Definition of Signal Definition of System Classification of Signals (CTS & DTS) Types of Signals Deterministic and Non- Deterministic (Random) Signals Periodic and Non- Periodic Signals Even and Odd Signals Energy and Power Signals Comparison of Energy Signal and Power Signal Problems Introduction to Some Standard Signals (Basic Signals) Like DC Signal Sinusoidal Signals Unit Step Signal Signum Function Rectangular Pulse Delta or Unit Impulse Function Unit Ramp Signal Continuous Time Complex Exponential Signal SINC Function Relation between Step, Ramp and Impulse Function Transformations: Scaling, Shifting Time Shifting Time Scaling Time Inversion Introduction about Systems Definition of System Types of Systems (CTS, DTS systems) Classification of Systems Static and Dynamic Systems Linear and Non-Linear Systems Causal of Non-Casual Systems Time Invariant and Variant Systems Stable and Unstable Systems Invertible and Inverse System Analogy between Vectors and signals