Here is the heavily filtered, strictly definitional question bank.

All “distinguish between”, classifications, broad theories, and “discuss the process” questions have been brutally purged. What remains is a pure glossary of exact terms the examiner has explicitly asked you to define or write short notes on.

Table 1: Signals & Systems Fundamentals

Term / Concept NameYear(s) of Appearance
Signal / System (What is/Define)2025, 2024, 2023, 2021, 2020, 2019, 2018, 2017, 2016, 2015
Unit Step, Unit Impulse, Ramp, and Signum Functions (Define)2022
Invertible, Memoryless, and Recursive Systems (Write short notes on)2024, 2016

Table 2: Time-Domain System Analysis

Term / Concept NameYear(s) of Appearance
Impulse Response (What is)2018, 2016

Table 3: State-Space Representation

Term / Concept NameYear(s) of Appearance
State of a System (Define/What is)2019, 2017, 2016

Table 4: Fourier Analysis (Series & Transform)

Term / Concept NameYear(s) of Appearance
Fourier Series (Define)2022, 2018, 2017
Fourier Series Expansion (What is meant by)2020, 2019
Fourier Transform (Define/What is)2025, 2024, 2016, 2015
Fourier Transform Pair (Define)2019
Signum Function (What is)2022, 2019

Table 5: Laplace Transform & Circuit Applications

Term / Concept NameYear(s) of Appearance
Laplace Transform & Inverse Laplace Transform (Define)2019, 2017, 2016, 2015
Zeros and Poles (in s-domain) (Define)2023, 2022, 2018, 2017
Transfer Function (What is)2019

Table 6: Z-Transform & Discrete-Time Analysis

Term / Concept NameYear(s) of Appearance
Z-Transform (Define)2022, 2018, 2016
Region of Convergence (ROC) (What is/Explain)2024, 2021, 2020, 2019, 2018, 2017, 2015
Transfer Function (Define/Explain significance)2022, 2021, 2015
Cross-correlation and Auto-correlation (Define and explain)2015

Table 7: Sampling, Filters & Network Theory

Term / Concept NameYear(s) of Appearance
Sampling Theorem (What is/State)2024, 2023, 2022, 2016, 2015
Discrete Time Up-sampler and Down-sampler (Define/What is)2022, 2021
Aliasing Effect (Explain/What is meant by)2021, 2019
Over-sampling, Nyquist Rate Sampling, and Aliasing (Write short notes on)2018, 2016
Filtering (What is)2023
Network Theory (What is)2025, 2022
Two-Port Network (What do you mean by)2024

Table 8: DFT & Fast Fourier Transform (FFT)

Term / Concept NameYear(s) of Appearance
DIT-FFT Algorithm / FFT Algorithm (What is)2025, 2023