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Data Science Lecture 2: Machine Learning and Neural Networks

10 Questions

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Data Science Lecture 2: Machine Learning and Neural Networks

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Questions and Answers

How many neurons are there in a typical brain?

10 billion neurons (correct)

100 billion neurons

1 billion neurons

100 million neurons

What part of a neuron receives input from other neurons?

Synaptic

Axon

Cell body

Dendrites (correct)

Which component of the Artificial Neural Networks (ANNs) is responsible for modeling the relationships between input and output data?

Bias

Activation Function (correct)

Weights Interpretation

Learning Rate

What is the function of the Cell body in a neuron?

Input processing Signup and view all the answers

In machine learning terms, which type of classifier can model nonlinear and complex relationships between input and output data?

Neural Network Classifier Signup and view all the answers

What is the purpose of the activation function in artificial neural networks?

To introduce non-linearity into the output of a neuron Signup and view all the answers

What does a weight near zero represent in an artificial neural network?

The input value does not influence the output significantly Signup and view all the answers

What does the bias parameter help control in an artificial neural network?

The value at which the activation function will trigger Signup and view all the answers

What does a neural network become without an activation function?

A linear regression model Signup and view all the answers

What is the purpose of representing a bias as an extra input in an artificial neural network?

To make the model more flexible and fit best for given data Signup and view all the answers