27.What is an integer data type? Explain the different types of integers represented in C++. 28.What is a floating point number? List a few applications of using floating point numbers in a real life...

27.What is an integer data type? Explain the different types of integers represented in C++.

28.What is a floating point number? List a few applications of using floating point numbers in a real life problems.

29.Elucidate how a floating point number is realised and represented in C++.

30.Explain the difference between numeral and non-numeral representation of data in a programming concept.