Geometrics Placement Paper - DATA STRUCTURES Questions

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1. Which of the following statement is correct?

   A: Overloaded functions can have at most one default argument.

   B: An overloaded function cannot have default argument.

   C: All arguments of an overloaded function can be default.

   D: A function if overloaded more than once cannot have default argument.

   Ans: C

2. Which of the following statement is correct?

   A: Constructors can have default parameters.

   B: Constructors cannot have default parameters.

   C: Constructors cannot have more than one default parameter.

   D: Constructors can have at most five default parameters.

   Ans: A

3. Which of the following function declaration is/are incorrect?

   A: int Sum(int a, int b = 2, int c = 3);

   B: int Sum(int a = 5, int b);

   C: int Sum(int a = 0, int b, int c = 3);

   D: Both B and C are incorrect.

   E: All are correct.

   Ans: E

4. You can use C++ as a procedural, as well as an object-oriented, language

   A: TRUE

   B: FALSE

   Ans: A

5. The address of a variable temp of type float is

   A: *temp

   B: &temp

   C: float& temp

   D: float temp&

   Ans: B

6. What is the output of the following code
   char symbol[3]={�a",�b",�c"};
   for (int index=0; index<3; index++)
   cout << symbol [index];

   A: a b c

   B: �abc�

   C: abc

   D: �abc"

   Ans: C

7. The process of building new classes from existing one is called ______.

   A: Polymorphism

   B: Structure

   C: Inheritance

   D: Cascading

   Ans: C

8. If a class C is derived from class B, which is derived from class A, all through public inheritance, then a class C member function can access

   A: protected and public data only in C and B.

   B: protected and public data only in C.

   C: private data in A and B.

   D: protected data in A and B.

   Ans: D