The correct answer is Boolean logic.
Booleans are true or false statements.
An example of a while loop is:
while 1 < 5:
#do something.
The Boolean statement is 1 < 5 which evaluates to true because 1 is less than 5.
I hope this helps!
The correct answer is B. locate Web pages related to a specific subject.
An example of a search engine is Google: it helps you find Websites with the content you're looking for.