Understanding the Basics
Which of the following best describes a neural network in the context of artificial intelligence?
- A system that mimics the human brain using interconnected nodes
- A device that stores internet passwords
- A programming language for web development
- A method for compressing digital images
- A mathematical formula for calculating interest rates
Elements of Neural Networks
What is the term for the individual calculation units in a neural network, often compared to brain cells?
- Weights
- Neurons
- Modules
- Sectorons
- Fetching nodes
Input Layer Function
In a neural network, what is the primary purpose of the input layer?
- Generating random outputs
- Receiving initial data to be processed
- Deciding the number of hidden layers
- Creating loops within the network
- Serving as the memory storage
Activation Functions
Why are activation functions used in neural networks?
- To add random noise to outputs
- To allow the network to handle complex, non-linear relationships
- To store large amounts of data
- To decrease network size
- To improve computer graphics rendering
Output Layer Role
What does the output layer of a neural network do with processed information?
- It returns the final prediction or classification result
- It resets all network parameters
- It increases the number of neurons in the input layer
- It deletes the training data
- It creates new layers automatically
Training the Network
What is the process called when a neural network learns to improve its performance by adjusting its parameters?
- Translating
- Training
- Mapping
- Forwarding
- Decoding
Learning with Examples
If a neural network identifies cats in images after being shown many labeled examples, what type of learning is this?
- Unsupervized learning
- Supervised learning
- Recalled learning
- Compressed learning
- Cascaded learning
Backpropagation
What technique is commonly used by neural networks to reduce errors by adjusting weights after comparing predictions to correct answers?
- Backpropagation
- Forwardcasting
- Sequential tuning
- Offset mapping
- Preprocessing
Common Uses
Which application is a neural network especially well-suited for?
- Recognizing handwriting in scanned documents
- Catching fish in rivers
- Cooking recipes automatically
- Generating passwords for email accounts
- Measuring temperatures using thermometers
Layers in Neural Networks
What is the purpose of hidden layers in a typical neural network?
- To process inputs and help the network learn complex patterns
- To hide sensitive information from hackers
- To encrypt user passwords
- To delete data that is no longer needed
- To increase the price of computation