Answer:
b. Code an include preprocessor directives for the members
Explanation:
Namespace in programming can be defined as the declarative region which provides scope for the identifiers such as the functions, name of the types, variables, etc.
The namespaces are 
the code into the logical groups and also used to prevent the name collision.
The ways that can be used outside the namespace 
as :
-- the code used the fully qualifies name
-- by using the declaration to bring one of the identifier into the scope
-- by using the directive to bring all the things in the newspaper into the scope.
Thus the correct option is (b).
Answer:
The correct answer for the given question is option(A) i.e File History.
Explanation:
In computer system file history is an backup application which create backup of your data which are stored in your libraries, desktops, contacts, and favorites to another storage location .It creates back up of your data to another location when your personal files has been changed.
The user can check the file history option in computer system
open control panel >>system and security >> file system
function is the right answer because function is a block of code designed to perform a particular task
Answer:
B. Doesn’t get you to your location faster.
Explanation:
Following the car in front of you at a closer distance doesn’t get you to your location faster.
In the case above, To search through this database, they use SQL, a 4GL.
<h3>What is SQL?</h3>
SQL is known to be Structured Query Language (SQL) that is said to be a form of standardized programming language that is employed to manage relational databases and carry out various operations on the data in them.
Note that In the case above, To search through this database, they use SQL, a 4GL network that can help.
Learn more about SQL from
brainly.com/question/25694408
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