21CS71 Dayananda Sagar University • Computer Science & Engineering (Semester 7)

Machine Learning and Deep Learning

💡 DSU Exam Strategy & Guidance

Supervised vs Unsupervised Learning, Linear/Logistic Regression, Decision Trees (ID3), SVM, Multi-Layer Perceptron (Backpropagation), Convolutional Neural Networks (CNN), and RNN/LSTM.

High-Yield Passing Strategy: Master the Backpropagation gradient descent weight update equations and CNN layer operations (Convolution, ReLU, Max Pooling).
Most Repeated Question Topics:
Backpropagation Algorithm DerivationCNN Architecture (Convolution, Pooling, Fully Connected)SVM Kernel Functions & Hyperplane MarginDecision Tree Entropy & Information GainRNN Vanishing Gradient Problem & LSTM Gates

🔥 Most Predictable Exam Questions (2)

Guaranteed Every Year 8 Marks Module 3: Neural Networks & Backpropagation

Q1. Derive the mathematical weight update equations for a Multi-Layer Perceptron using the Backpropagation Algorithm with Gradient Descent and Mean Squared Error (MSE) loss function.

Key Points: Use chain rule: dE/dw_ij = (dE/da_j) * (da_j/dz_j) * (dz_j/dw_ij). Output layer error delta_k = (y_k - t_k) * f'(z_k). Hidden layer error delta_j = sum(delta_k * w_kj) * f'(z_j). Weight update rule: w_ij^(new) = w_ij^(old) - eta * delta_j * x_i.

95% Probability 8 Marks Module 4: Convolutional Neural Networks

Q2. Explain the building blocks of Convolutional Neural Networks (CNN): (i) Convolution layer with stride and padding, (ii) ReLU activation, (iii) Max pooling layer, and (iv) Fully Connected classification layer.

Key Points: Output size formula: O = ((W - F + 2P)/S) + 1. Describe spatial feature extraction via kernels, non-linearity via ReLU, dimensional reduction / translation invariance via Max Pooling, and Softmax dense output.

🎓 Open Source Courses & Video Playlists (3)

Stanford Online

Stanford CS229: Machine Learning (Prof. Andrew Ng)

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YouTube (3Blue1Brown)

3Blue1Brown: Neural Networks Deep Dive

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Stanford Online

Stanford CS231n: Deep Learning for Computer Vision

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📄 Previous Year Question Papers (2)

END_SEM • 2024

End Semester Exam 2024

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END_SEM • 2023

End Semester Exam 2023

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