Machine learning is a branch of computer science that:

1. Is a tool for developing and executing a wide range of data processing patterns on very large datasets.
2. Is how you retrieve information from a database.
3. Is focused on enabling computers to recognize patterns in data—without humans telling the computer how to recognize the patterns.
4. Is a service to help capture data and rapidly pass massive numbers of messages between other big data tools.

Correct Answer:

• Is focused on enabling computers to recognize patterns in data—without humans telling the computer how to recognize the patterns.