Answer and Explanation:
Multiple-line comments :
Advantage :In the event that we need to remark out of zone of the given program , we can utilize it.
Disadvantage : In numerous line results are in reduced unwavering quality. It stretches out the remark as far as possible of the following comment.For least difficult approach to unintentionally leave off the last delimiter, which successfully expelling code from the program.
Single Line Comments :
Advantage :In the event that you need to close all the delimiter before close the program we utilize this kind of remarks.
Disadvantage : It put more burden on your program .It repeated on every line of a block of comments
Answer:
The user must specify the programming language he or she wants to use.
Explanation:
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Each language has its own use, some of them are used to create or manipulate back end codes and some of them are used mainly for web designing and some of them are used for data entries and control of data that is being implanted in the system, so if you put all uses in one language it will not be a simple task as it is nowadays for programmers. That is why there are different compt. langs.