What is the primary function of a search engine?

• To create new content for the internet.

• To gather data, organize it, and find results for questions.

• To connect computers to each other.

• To provide entertainment through videos and games.

What is the relationship between the Internet and the Web?

• The Internet is a part of the Web.

• The Web is a collection of computers, and the Internet is a part of it.

• The Internet is a collection of connected computers, and the Web is a part of the Internet that displays content via browsers.

• They are two different names for the same thing.

What computer program is used to systematically find and download webpages to gather data for search engines?

• A web browser.

• A web crawler.

• A data organizer.

• A human librarian.

How do search engines improve their AI systems to provide more relevant results?

• They rely on random chance to improve.

• They use the behavior of regular users as training data.

• They only update their systems once a year.

• They purchase new data from other companies.

What kind of information helps artificial intelligence systems improve their ability to rank search results and answer questions?

• The number of times a webpage is shared on social media.

• User interactions like clicking on search results and staying on a page.

• The total amount of data stored on the internet.

• The speed at which a webpage loads.

Why do smart devices like Siri use knowledge bases instead of just providing links to webpages?

• To save internet bandwidth.

• To offer direct answers to questions.

• To display more advertisements.

• To make the search process slower.

How does a system like NELL (Never Ending Language Learner) build confidence that the facts it finds are true?

• By asking human experts to verify each fact.

• By checking if the facts are mentioned in books only.

• By using repetition and finding facts from multiple online sources.

• By only accepting facts that are less than a year old.

Why do artificial intelligence systems sometimes struggle to answer questions like "How many trees are in Ohio?" or show biased results for certain image searches?

• The questions are too complex for any computer to understand.

• There isn't enough human interaction data for these specific queries, or the training data contains biases.

• The AI systems are designed to avoid answering questions about geography.

• The internet does not contain any information about trees or nurses.