Question Detail Which is more memory efficient ? structureunionboth use same memorydepends on a programmer Answer: Option B Similar Questions : 1. A Variable __ of void type. May be declaredCan be initializedCannot be intializedCannot be declared Answer: Option D 2. The default visibility mode while inheriting is ? publicprotectedprivatemay be any of above Answer: Option C 3. The function used to define the task assigned to an operator is ? Virtual functionStatic functionOperator functionFriend function Answer: Option C 4. Size of a char is ? 1234 Answer: Option A 5. 66. A constructor function is generally defined In the private section of a classIn the public section of a classIn the protected section of a classNone of the above Answer: Option B Read more from - C++ Programming Questions Answers - Set 2