Quiz on PyTorch

1. What is PyTorch mainly used for?

Web development Game design Machine learning Database management

2. PyTorch was originally developed by:

Google Facebook (Meta) Amazon Microsoft

3. What is a tensor?

A database table A multi-dimensional array A model A loss function

4. Which function creates a tensor of zeros?

torch.empty() torch.rand() torch.zeros() torch.ones()

5. Which module contains neural network layers?

torch.optim torch.nn torch.utils torch.autograd

6. What does autograd do?

Loads data Performs automatic differentiation Optimizes models Saves models

7. Which attribute enables gradient computation?

grad_fn requires_grad backward detach

8. Which function computes gradients?

step() zero_grad() backward() forward()

9. Which optimizer is available in PyTorch?

Adam SGD RMSprop All of the above

10. Which loss is used for classification?

MSELoss CrossEntropyLoss L1Loss SmoothL1Loss