Define the terms: token, keyword, identifier, variable, constant and const correct. What is meant by basic data types? Explain in brief. What would be the appropriate data type for the following? n...

Define the terms: token, keyword, identifier, variable, constant and const correct.

What is meant by basic data types? Explain in brief.

What would be the appropriate data type for the following? n Length of a cloth n Age of a student n An exclamation mark

What is meant by a backslash character? What is the utility of these characters in a program?

What would be the output of the following program?