How AI learns: quick check

Question 1

What is the key difference between machine learning and a traditional program?

Accepted Answer

The computer works out the rules from examples

Answer

Machine learning runs faster

Answer

Machine learning doesn't need data

Question 2

Why do we hide some data from the model during training?

Accepted Answer

To test whether it learned real patterns or just memorised

Answer

To save storage space

Answer

Hidden data is always wrong

Question 3

A model scores 99% on its training photos but 60% on new photos. What's this called?

Accepted Answer

Overfitting

Answer

Underfitting

Answer

Perfect training

Question 4

A hiring AI was trained mostly on past hires from one group. What's the likely risk?

Accepted Answer

It may be biased against other groups

Answer

It will be perfectly fair

Answer

It will refuse to work