Answer:
Color contrast is the difference in light between font (or anything in the foreground) and its background.
Explanation:
In web accessibility, how well one color stands out from another color determines whether or not most people will be able to read the information.
Contrast makes things look different and stand out
Answer: False
Explanation:Decision tree is the tree like structured flowchart which is used for the evaluation of the possible outcomes or result of the particular problem. It usually has two or more branches as the the result node . Decision tree are applicable to many problems for solving it. So, decision trees is not only applicable on certainty problems but also on other problems as well. Therefore the given statement is false.
Answer:
The code:
# Import math Library
import math
# Print the value of 2pi
print (math.pi * 2) ## output would be: 6.28318530718
Explanation:
Answer:
Search Engine
Explanation:
A search engine is used to crawl most of the web sites based on there content (mostly defined in metadata tag in web pages) in order to search information according to the given query submitted by user. Search Engine will then provides a list of matched results that user want to find.
An online travel agency such as Travelocity is an example of a intermediary.