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VIDEO SESSION Century #Experiential Learning
Skills
Scan the QR code, or visit the following link to watch the video:
The Internet: How Search Works
https://www.youtube.com/watch?v=LVV_93mBfSU
After watching the video, answer the following questions:

1. What is the first step in how a search engine works?
(a) Ranking (b) Indexing
(c) Crawling (d) Query matching
2. What do search engine crawlers (also called spiders or bots) do?
(a) Delete outdated web pages (b) Visit websites and collect page content

(c) Answer user queries directly (d) Encrypt search results
3. What is the purpose of indexing in a search engine?
(a) To randomly store websites (b) To organise web pages and their content
(c) To filter out advertisements (d) To block irrelevant pages

4. Which factor influences how a search engine ranks pages?
(a) Colour of the website (b) Size of images
(c) Relevance and popularity (d) Number of animations
5. What is meant by “relevance” in the context of search engines?
(a) How funny the content is?

(b) How well a webpage matches the search query?
(c) The number of pictures on a page
(d) The file size of a webpage

6. Why are search results different for different people?
(a) Everyone uses different computers
(b) Search engines customise results based on user behaviour
(c) Some users type faster
(d) Results are given alphabetically

7. What is the main goal of a search engine?
(a) To show as many ads as possible
(b) To deliver the most relevant and useful results quickly
(c) To crash your computer

(d) To promote paid websites only

Domain of Natural Language Processing

Understanding human language is a difficult task, especially for those who have grown up around it. Human language
is extremely complex, with strange expressions that appear to contradict one another, vocabulary that takes cultural
knowledge to understand, and grammatical patterns that may turn simple statements into complex expressions
or tongue twisters. Machines require systems known as Natural Language Processing (NLP) to understand human
language.

Introduction and State of Art of AI, Natural Language Processing (NLP), and Potential use of AI 101