The first item in a singly linked structure is accessed using a head link.

Explain how DFDs can be used in requirements modeling.

What will be an ideal response?

Which of the following statements displays the contents of a string called ‘class’ correctly?

A. cout << “I have “ class “on Mondays”; B. cout<< “I have “ << class << “on Mondays”; C. cout<< “I have << class << on Mondays”; D. cout<< “I have ‘class’ on Mondays”;