Explain virtual class and friend class.
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Explain the term memory alignment?
What are the 3 levels of programming languages?
What does catch(…) mean?
Explain working of printf?
What is null pointer and void pointer?
Write a c++ code that will calculate the roots of a quadratic equation a2+ bx+c=0 Hint: d = sqrt (b2-4ac), and the roots are: x1 = (€“b + d)/2a and x2 = (€“b €“ d)/2a (use sqrt function from cmath.h )?
What is the use of 'this' pointer?
What is constructor and destructor in c++?
Will a catch statement catch a derived exception if it is looking for the base class?
Explain unexpected() function?
What's the most powerful programming language?
Differentiate between an external iterator and an internal iterator?