Deep Learning Beginner Quiz 3
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Beginner Quiz 3
1. What is “backpropagation”?
A procedure that computes gradients and updates weights to reduce error
A special format for archiving and compressing training data
A variant of activation that always outputs the same constant
2. What is a loss function?
A function that quantifies how far predictions are from the target values
A type of nonlinear activation used in every hidden layer
A separate network component that stores learned features
3. What does “learning rate” control?
The step size used when updating the network’s parameters
The number of layers that can be used in a model
The number of input features allowed per sample
4. What is overfitting?
When a model memorizes training data and performs poorly on new data
When a model is so simple that it cannot learn basic patterns
When samples are missing from the input dataset
5. What is underfitting?
When a model is too limited to capture the structure in the data
When a model learns every detail of the training set
When feature values are not properly scaled
6. What is a batch in deep learning?
A subset of training examples processed together in one update step
A special layer responsible only for normalization
A single neuron that aggregates all outputs at the end
7. What is the purpose of splitting data into training and test sets?
To measure how well the model generalizes to unseen examples
To reduce the total number of records permanently
To make file transfers faster between devices
8. Which of these is a common deep learning task?
Turning spoken language into text in speech recognition systems
Automatically adjusting spreadsheet borders and colors
Compressing files into a single archive format
9. What is a model in deep learning?
A trained neural network that can generate outputs for new inputs
A simple CSV file containing raw training data
A general purpose language used for writing scripts
10. What is a simple example of deep learning in daily life?
Unlocking a phone using facial recognition instead of a PIN
Using a pen to write notes on paper
Dialing a number to make a basic phone call
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