Question 1

In object oriented programming the focus is on ….......

Accepted Answer

A)  data
B)  structure
C)  function
D)  pointers A

Question 2

In procedural programming the focus in on …...........

Accepted Answer

A)  data
B)  structure
C)  function
D)  pointers C

Question 3

Which of the following is true about inline functions and macros.

Accepted Answer

A)  inline functions do type checking for parameters, macros don't
B)  macros cannot have return statement, inline functions can
C)  macros are processed by pre-processor and inline functions are processed in later stages of compilation.
D)  all of the above D

Question 4

Which of the following is true about constructors.
1) They cannot be virtual.
2) They cannot be private.
3) They are automatically called by new operator

Accepted Answer

A)  all 1, 2, and 3
B)  only 1 and 3
C)  only 1 and 2
D)  only 2 and 3

Question 5

Which type is best suited to represent the logical values?

Accepted Answer

A)  integer
B)  boolean
C)  character
D)  all of the mentioned

Question 6

What will be the values of x, m and n after execution of the following statements? Int x, m, n;m=10; n=15;x= ++m + n++;

Accepted Answer

A)  x=25, m=10, n=15
B)  x=27, m=10, n=15
C)  x=26, m=11, n=16
D)  x=27, m=11, n=16

Question 7

C++ programmers concentrate on creating , which contain data members and the member functions that manipulate those data members and provide services to clients.

Accepted Answer

A)  structures
B)  classes
C)  objects
D)  function

Question 8

In C++, const qualifier can be applied to?Member functions of a class?Function arguments?To a class data member which is declared as static?Reference variables

Accepted Answer

A)  only 1, 2 and 3
B)  only 1, 2 and 4
C)  all of the above
D)  only 1, 3 and 4

Question 9

Which of the following feature of procedure oriented program is false?

Accepted Answer

A)  makes use of bottom up approach
B)  functions share global data
C)  the most fundamental unit of program is function
D)  all of these

Question 10

Which of the following functions are performed by a constructor?

Accepted Answer

A)  construct a new class
B)  construct a new object
C)  construct a new function
D)  initialize objects

Question 11

Which of the following control expressions are valid for an if statement?

Accepted Answer

A)  an integer expression
B)  a boolean expression
C)  either a or b
D)  neither a nor b

Question 12

Which of the following is the correct class of the object cout?

Accepted Answer

A)  iostream
B)  istream
C)  ostream
D)  ifstream

Question 13

Which of the following operators are overloaded by default by the compiler?
1) Comparison Operator ( == )
2) Assignment Operator ( = )

Accepted Answer

A)  both 1 and 2
B)  only 1
C)  only 2
D)  none of the two

Question 14

Which of the following ways are legal to access a class data member using this pointer?

Accepted Answer

A)  this->x
B)  this.x
C)  *this.x
D)  *this-x

Question 15

The following is the C++ style comment

Accepted Answer

A)  //
B)  /*..*/
C)  -
D)  none of above

Question 16

Which of the following is FALSE about references in C++

Accepted Answer

A)  a reference must be initialized when declared
B)  once a reference is created, it cannot be later made to reference another object; it cannot be reset
C)  references cannot be null
D)  references cannot refer to constant value

Question 17

Which of the following feature of object oriented program is false?

Accepted Answer

A)  data and functions can be added easily
B)  data can be hidden from outside world
C)  object can communicate with each other
D)  the focus is on procedures

Question 18

Which operator is having right to left associativity in the following?

Accepted Answer

A)  array subscripting
B)  function call
C)  addition and subtraction
D)  type cast

Question 19

What will be the output of following program?#include <iostream> using namespace std;class Test{public:Test() { cout <<"Hello from Test() "; }} a;int main(){cout <<"Main Started "; return 0;}

Accepted Answer

A)  main started
B)  main started hello from test() 
C)  hello from test()  main started
D)  compiler error: global objects are not allowed

Question 20

Which of the following approach is adapted by C++?

Accepted Answer

A)  top-down
B)  bottom-up
C)  right-left
D)  left-right

Exam 3: C++ Programming Concepts