Question Detail Which operator is used for comparing two variables :===:== Answer: Option D Similar Questions : 1. cout is declared in the _____ standard file within the std namespace outstreamstdiniostreamNone of above Answer: Option C 2. What is the meaning of base class in C++ Another class got inherit from this classIt inherit other classIt has a pointer variableIt is the first class declared Answer: Option A 3. Constructor is A class automatically called whenever a new object of this class is createdA class automatically called whenever a new object of this class is destroyedA function automatically called whenever a new object of this class is createdA function automatically called whenever a new object of this class is destroyed Answer: Option C 4. Stack unwinding deals with deals with polymorphismdeals with inheritancedeals with exception handingdeals with classes Answer: Option C 5. expression x.y represents as member x of object ymember y of object xmember y of object pointed by xall of above Answer: Option B Read more from - C++ Programming Questions Answers - Chapter 1