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Multiple choice › Neural networks

Neural networks

1. Neural networks

In a neural network, what is adjusted during training to improve predictions?

  1. The number of pixels on the screen
  2. The names of the nodes
  3. The weightings on the connections between nodes
  4. The programming language
Answer

C

Training repeatedly compares predictions to known answers and adjusts weights to reduce error (2025 Q25 asked about nodes and weightings).

2. Neural networks

Which is the correct order of layers in a basic neural network?

  1. Input layer, output layer, hidden layer
  2. Hidden layer, input layer, output layer
  3. Input layer, hidden layer(s), output layer
  4. Output layer, hidden layer, input layer
Answer

C

Data enters at the input layer, is transformed by hidden layers and produces a result at the output layer.