Data Structures through C++ Mid - I, September - 2011

1.The standard c comment
  • / /
  • //
  • /* and */
  • None of these
Answer: B
2.The operator >> is called
  • an extraction operator
  • a get from operator
  • either a or b
  • get to operator
Answer: C
3.When a language has the capability to produce new data type, it is called
  • Extensible
  • Overloaded
  • Encapsulated
  • Reprehensible
Answer: A
4.What is a reference?
  • an operator
  • a reference is an alias for an object
  • used to rename an object
  • None of these
Answer: B
5.A constructor is called whenever
  • a object is declared
  • an object is used
  • a class is declared
  • a class is used
Answer: A
6.State the object oriented languages
  • C++
  • Java
  • Eiffel
  • All of the above
Answer: D
7.Overload function in C
  • a group function with the same name
  • all have the same number and type of arguments
  • functions with same name and same number and type of arguments
  • All of the above
Answer: A
8.Operator overloading is
  • making c++ operators works with objects
  • giving new meaning to existing c++ operators
  • making new c++ operator
  • both a& b above
Answer: D
9.The following keyword will used in exception handling mechanism
  • throws
  • throwable
  • throw
  • none of these
Answer: C
10.Consider a linked list of n elements. What is the time taken to insert an element pointer ?
  • O(log2n)
  • O(n)
  • O(1)
  • O(n log2n)
Answer: B
11.The fields in a class of a c program are by default __________
Answer: private
12.In C dynamic memory allocation done by __________
Answer: new operator
13.A Reference variable provides__________
Answer: Alias for variable
14.The program design method in Object Oriented Programs __________
Answer: Bottom - Up programming
15.Declaration of destructor for a class ‘A’ is ________
Answer: ~A()
16.<<is known as ________operator
Answer: insertion
17.One of the collision handling method ________
Answer: direct chaining or open addressing
18.constructor is declared in________ section of the class
Answer: public
19.Pointer to member declaratory in C is ________
Answer: : : *
20.A static function can have access to only ________ members
Answer: static data