1. C ++ MULTIPLE CHOICE QUESTION

2. Check your Knowledge
Press to Start

3. 1. The default executable generation on UNIX for a C++ program is ___
a.exe a
a.out
out.a

4. 2. ____ is also called as abstract class.
Virtual class
Pure virtual class
Derive class
None of these

5. 3. Define pure virtual function?
Function which does not have definition of its own.
Function which does have definition of its own.
Function which does not have any return type.
None of these

6. 4. Identify the correct statement?
A) We cannot make an instance of an abstract base class
B) We can make an instance of an abstract base class
Both A & B
None of the mentioned

7. 5. Abstract class is used:
A) Base class only
B) Derived class
Both A and B
None of the mentioned

8. 6. Which of the following correctly declare an array?
Int array[10];
Array array [];
Arr array[];
None of these

9. 7. An array is: Series of element of same type Series of element
Series of element of different type
None of these

10. 8. To access the 100th element in a array. What should we write?

11. 9. To access the first element of the array we should write:

12. 10. What will be the output of this program?
#include <stdio.h>
using namespace std;
int array1[] = {1200, 200, 2300, 1230, 1543};
int array2[] = {12, 14, 16, 18, 20};
int temp, result = 0; int main() {
for (temp = 0; temp < 5; temp++) {
result += array1[temp]; }
for (temp = 0; temp < 4; temp++) {
result += array2[temp]; }
cout << result;
return 0; }
6553
6533
64522
12200

13. 11. What will be the output for this program?
#include <stdio.h>
using namespace std;
int main () {
Int array[] = {0, 2, 4, 6, 7, 5, 3};
int n,
result = 0;
for (n = 0; n < 8; n++) {
result += array[n]; }
cout << result;
return 0; } 2 20 27 30

14. 12. What is meaning of following declaration? int(*p[5])();
p is pointer to function
p is array of pointer to function.
p is pointer to such function which return type is array.
p is pointer to array of function

15. 13. A 32 bit generic pointer has:
2 bits
4 bits
6 bits
8 bits

16. 14. What is the output of this program?
#include <iostream>
using namespace std;
int main() {
int a[2][4] = {3, 6, 9, 12, 15, 18, 21, 24};
cout << *(a[1] + 2) << *(*(a + 1) + 2) << 2[1[a]];
return 0;
Compile time error

17. 15. What is the output of this program?
#include <iostream>
using namespace std;
int main() {
int arr[] = {4, 5, 6, 7};
int *p = (arr + 1);
cout << *p;
return 0; 4 5 6 7

18. 16. What is the output of this program?
#include <iostream>
using namespace std;
int main() {
int arr[] = {4, 5, 6, 7};
int *p = (arr + 1);
cout << arr;
return 0; } 4 5
Address of art 6

19. 17. What is template? A template is used to manipulate the class
A template is used for creating the attributes
None of the mentioned

20. 18. Select the correct statement about string template?
Used to replace string
Used to replace string with another
Used to delete a string
None of mentioned

21. 19. Which one is correct declaration of template?
None of the mentioned

22. 20. What keyword we used to handle an exception?
Try
Throw
Catch
None of the mentioned

23. 21. Which keyword we use to catch an exception?
Throw
Catch
try
None of these

24. 22. Finally keyword is used for:
A) It used to execute at the starting of the program
B) It will be executed at the end of the program even if the exception raised.
Both a and b
None of the mentioned

25. 23. In nested try blocks, if both inner and outer catch handlers are not able to handle the exception, then ________.
Compiler executes only executable statements of main().
Compiler issues compile time errors about it.
Program will be executed without any interrupt.
Program will be terminated abnormally.

26. 24. Return type of uncaught_exception() is ________________ .
int
bool
char *
double

27. 25. Can we write throw clause inside catch handler?
Yes No

28. 26. Which of the following statements are true about Catch handler?
It must be placed immediately after try block T.
It can have multiple parameters.
There must be only one catch handler for every try block.
Generic catch handler can be placed anywhere after try block.

29. 27. Catch handler can have multiple parameters.
False
True

30. 28. What is the output of this program?
#include <iostream>
#include <exception>
using namespace std;
int main () {
try {
int* myarray = new int[1000];
cout << "allocated"; }
catch (exception& e) {
cout << "Standard exception: " << e.what() << endl;
return 0;
Allocated
Standard exception
Depend on the memory
Error

31. 29. Which statement is true about user defined exception?
Inheriting and overriding exception class functionality.
Overriding class functionality.
Inheriting class functionality
None of the mentioned

32. 30. Which exception is thrown by dynamic_cast?
Bad_cast
bad_typeid
bad_exception
bad_alloc

33. 31. An exception can be of only built-In type.
True
False

34. 32. Irrespective of exception occurrence, catch handler will always get executed.
True
False

35. 33. What will happen when an exception is uncaught?
Error arise
Program will run
Execute continuously
None of the mentioned

36. 34. _____ can catch all type of exceptions?
Catch-all handler
Catch handler
Catch none handler
None of these

37. 35.  If inner catch handler is not able to handle the exception then__________ .
Compiler will look for outer try handler
Program terminates abnormally
Compiler will check for appropriate catch handler of outer try block
None of these

38. 36. What is the output of this program?
#include <iostream>
using namespace std;
int main(){
int i;char *arr[] = {"C", "C++", "Java", "VBA"};
char *(*ptr)[4] = &arr;cout << ++(*ptr)[2];
return 0; }
Ava
Java
C++
Compile time error

39. 37. Function called from within a try block____ throw exception?
Always
Maybe
Never
None of these

40. 38. Which operator is used in catch-all handler?
Ellipses operator
Ternary operator
String operator
Unary operator

41. 39. What function will be called when we have a uncaught exception?
Terminate
Throw
Catch
None of these

42. 40. How can we be ensured that function throw specified exception?
Defining multiple try and catch block inside a function
Defining generic function within try block
Defining function with throw clause
It is not possible in CPP to restrict a function

43. 41. What will not be called when terminate is arise in constructor:
Main
Destructor
Class
None of these

44. 42. In nested try block, if inner catch handler gets executed, then _____________ .
Program execution stops immediately.
Outer catch handler will also get executed.
Compiler will jump to the outer catch handler and then executes remaining executable statements of main ().
Compiler will execute remaining executable statements of outer try block and then the main ().

45. 43. We can replace throw () with?
For
Return
Break
Exit

46. 44. Throwing an unhandled exception causes standard library function then _______ to be invoked.
Stop ()
Abborted ()
terminate()
Abandon()

47. 45. Choose the most suitable option for returning the logical error in program.
Use constructor and destructor
Set a global error indicator
Use break keyword
none of the mentioned

48. Improve the exception safety
46. RAII is used for?
Improve the exception safety
Terminate the program
Exit from the block
None of mentioned

49. 47. How many levels are there in exception safety?1 2 3 4

50. 48. Error handling alternative can:
Terminate the program
Use the stack
Exit from the block
None of these

51. 49. What will happen when an exception is not processed?
It will eat up lot of memory and program size
Terminate the program
Crash the compiler
None of the mentioned

52. 50. Inheritance is a way to: (Choose all that apply) 1) Make general class into more specific classes 2) Pass arguments to the object of the class 3) Add features in existing class without rewriting it 4) Improve data hiding and encapsulation
2;3
1;3
1;4
2;4

53. The Results