Answer:
Google uses automated programs called spiders or crawlers, just like most search engines, to help generate its search results. Google has a large index of keywords that help determine search results. ... Google uses a trademarked algorithm called PageRank, which assigns each Web page a relevancy score.
Answer:
Instance variables can be declared anywhere inside a class.
Although there isn't any rule to declare instance variables before methods, and they can be declared anywhere in the class, they cannot be declared inside method definitions of class.
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<em>By convention class names begin with an uppercase letter, and method and variable names begin with a lowercase letter.</em> - True.
<em>Instance variables exist before methods are called on an object, while the methods are executing and after the methods complete execution.</em> - True.
<em>A class normally contains one or more methods that manipulate the instance variables that belong to particular objects of the class.</em> - True
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
A link is a popular way to describe relationships in a relational database.
There are three types of relationships (links) between tables:
1. One-to-one <span>relationship , that allows only one record on each side of the relationship.
2. </span>One-to-many <span>relationship, that allows a single record in one table to be related to multiple records in another table.
3. </span>Many-to-many<span> relationship, in which many records in a table can link to many records in another table. F</span>
