A. Underfitting means perfect training accuracy B. Underfitting is solved by removing all features C. Underfitting is the same as data leakage D. Underfitting occurs when a model is too simple to capture important patterns
Correct Answer: D. Underfitting occurs when a model is too simple to capture important patterns
A. A multilayer perceptron uses layers of neurons with nonlinear activations B. An MLP is a database indexing method C. An MLP has no trainable weights D. An MLP can only process images
Correct Answer: A. A multilayer perceptron uses layers of neurons with nonlinear activations
A. Activation functions are used only in the output layer B. Activation functions introduce nonlinearity into neural networks C. Activation functions store files on disk D. Activation functions always remove gradients
Correct Answer: B. Activation functions introduce nonlinearity into neural networks
A. Backpropagation requires no loss function B. Backpropagation is only a data augmentation method C. Backpropagation computes gradients by applying the chain rule through the network D. Backpropagation stores images in convolution kernels
Correct Answer: C. Backpropagation computes gradients by applying the chain rule through the network
A. Gradient descent updates weights randomly without gradients B. Gradient descent is a file compression algorithm C. Gradient descent only applies to databases D. Gradient descent updates parameters in the direction that reduces loss
Correct Answer: D. Gradient descent updates parameters in the direction that reduces loss
A. The learning rate controls the step size of parameter updates B. The learning rate is the number of output classes C. The learning rate is the dataset size D. The learning rate disables optimization
Correct Answer: A. The learning rate controls the step size of parameter updates
A. Convolution removes all spatial structure B. Convolution applies learnable filters to local regions of input data C. Convolution always sorts neurons by value D. Convolution is used only for text tokenization
Correct Answer: B. Convolution applies learnable filters to local regions of input data
A. Pooling is the same as dropout B. Pooling changes class labels C. Pooling reduces spatial dimensions while keeping important features D. Pooling increases image resolution in every layer
Correct Answer: C. Pooling reduces spatial dimensions while keeping important features
A. A feature map is a confusion matrix B. A feature map is a database table C. A feature map is always a scalar D. A feature map represents filter responses across spatial locations
Correct Answer: D. A feature map represents filter responses across spatial locations
A. CNN computational cost depends on filter size, input size, channels, and number of filters B. CNN complexity is independent of image size C. CNNs have no multiplications D. CNNs require no memory for activations
Correct Answer: A. CNN computational cost depends on filter size, input size, channels, and number of filters
A. An autoencoder is a SQL trigger B. An autoencoder learns to encode input into a latent representation and reconstruct it C. An autoencoder is always a supervised classifier D. An autoencoder cannot learn compressed features
Correct Answer: B. An autoencoder learns to encode input into a latent representation and reconstruct it
A. Sparse coding removes the need for input data B. Sparse coding is only a file I/O technique C. Sparse coding encourages representations where only a small number of units are active D. Sparse coding forces every hidden unit to be active
Correct Answer: C. Sparse coding encourages representations where only a small number of units are active