WorksheetsHow Search Engines Work
Total questions: 15
Worksheet time: 7mins
Which step in a search engine involves discovering all the web pages on the World Wide Web?
Spider
Index
Rank
Algorithm
What is the main purpose of the "Index" step in how a search engine works?
To rank web pages by popularity
To organize web pages into an easy to read list
To create new web pages
To delete irrelevant web pages
Why does a search engine use spiders (or crawlers) to explore the web?
To create new websites
To copy everything they see and send it back to the search engine
To delete old web pages
To rank web pages by importance
Explain how a search engine uses its index when you type a keyword into the search bar. Why does it not search the entire web at that moment?
It searches the entire web every time you type a keyword.
It looks up your keywords in the index it has already created based on its spiders.
It creates a new index for every search.
It only searches websites created in the last week.
Suppose you search for "World Cup 2026" and the search engine finds thousands of matching pages. Describe how the search engine decides which result to show first, and explain the role of an algorithm in this process.
The search engine shows results randomly.
The search engine uses an algorithm, a set of rules, to rank the results and decide which page is best.
The search engine only shows results from the most recent year.
The search engine ignores the keyword and shows popular pages.
Which rule in the algorithm checks if the keywords are present in the main headings of the page?
Title Rule
Headings Rule
Proximity Rule
Frequency Rule
According to the algorithm, what is a sign of spam that can cause a page to be penalized?
Using keywords too many times
Not using keywords at all
Using keywords only in images
Using keywords in the URL
What is the main purpose of the "index" in a search engine?
To store keywords and related web pages for quick searching
To display advertisements to users
To create new web pages
To delete old web pages
When a user searches for "dog training," what does the search engine do first?
It checks its index for web pages matching the keywords
It creates new web pages about dog training
It deletes unrelated web pages
It asks the user to refine their search
How does a search engine decide the order in which web pages appear in the search results?
By using an algorithm to rank the web pages
By showing the newest web pages first
By displaying the most colorful web pages first
By asking users to vote for their favorite web pages
Suppose a search engine user wants to find information about "cat food." Based on the indexing process described, which keywords would the search engine look for in its index?
cat and food
dog and training
litter and training
food and litter
Which is the world's most widely used search engine?
Bing
Safari
Yahoo
What is the difference between a browser and a search engine?
A browser is a software application (like Chrome or Safari) used to access and display websites, while a search engine (like Google or Bing) is a website used within the browser to find information online.
A search engine is the software you install on your computer to access the internet, while a browser is a website you use to find information.
There is no difference; 'browser' and 'search engine' are interchangeable terms for the same thing.
A browser is the company that provides your internet connection (like Comcast or AT&T), while a search engine is the software you use to send emails.
