Irtifaa 2023 Debugging Prelims (6th March 2023)

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Instructions:

1.There should be only 2 members in a team.

2.All Questions are compulsory & there are no negative marks.

3.Duration : 30 Minutes

Email *

Team Member #1 (NAME) *

Team Member #2 (NAME)
*

College Name *

1.Which is valid C expression? *

1 point

a) int my_num = 100,000;

b) int my_num = 100000;

c) int my num = 1000;

d) int $my_num = 10000;

2. Which of the following declaration is not supported by C language?
*

1 point

a) String str;

b) char *str;

c) float str = 3e2;

d) Both “String str;” and “float str = 3e2;”

3. Functions in C Language are always _________
*

1 point

a) Internal

b) External

c) Both Internal and External

d) External and Internal are not valid terms for functions

4.What will be the output of the following C code?

1 point

a) Compile time error

b) Hello World! 34

c) Hello World! 1000

d) Hello World! followed by a junk value

5.What will be the output of the following C code?

1 point

128

-128

Depends on the compiler

None of the mentioned

6.How many times i value is checked in the following C program?

1 point

a) 2

b) 3

c) 4

d) 1

7. What are the elements present in the array of the following C code?

1 point

a) 5, 5, 5, 5, 5

b) 5, 0, 0, 0, 0

c) 5, (garbage), (garbage), (garbage), (garbage)

d) (garbage), (garbage), (garbage), (garbage), 5

8.What will be the output of the following C code?

1 point

a) Implementation defined

b) -1

c) -3

d) Compile time error

9. What will be the final value of x in the following C code?

1 point

a) 3.75

b) Depends on compiler

c) 24

d) 3

10.What will be the output of the following C code?

1 point

a) Value of x is 2.3

b) Value of x is 1

c) Value of x is 0.3

d) Compile time error

11. What is the output of this C code?

1 point

a) abnfoundry C-Test

b) Sanfoundry C-Test

c) Compile time error

d) Run time error

12. What will be the output of the following C code?

1 point

a) hi

b) hello

c) no

d) error

13. What will be the output of the following C code? (Assuming that we have entered the value 1 in the standard input)

1 point

a) Compile time error

b) 1

c) 2

d) Varies

14. Which of the following approach is used by C++?

1 point

a) Left-right

b) Right-left

c) Bottom-up

d) Top-down

15. What is virtual inheritance in C++?

1 point

a) C++ technique to enhance multiple inheritance

b) C++ technique to ensure that a private member of the base class can be accessed somehow

c) C++ technique to avoid multiple inheritances of classes

d) C++ technique to avoid multiple copies of the base class into children/derived class

16. What happens if the following C++ statement is compiled and executed?

1 point

a) The program is not semantically correct

b) The program is compiled and executed successfully

c) The program gives a compile-time error

d) The program compiled successfully but throws an error during run-time

17. What happens if the following program is executed in C and C++?

1 point

a) Outputs Hello twice in both C and C++

b) Error in C and successful execution in C++

c) Error in C++ and successful execution in C

d) Error in both C and C++

18. Which of the following is correct about this pointer in C++?

1 point

a) this pointer is passed as a hidden argument in all static variables of a class

b) this pointer is passed as a hidden argument in all the functions of a class

c) this pointer is passed as a hidden argument in all non-static functions of a class

d) this pointer is passed as a hidden argument in all static functions of a class

19. Which of the following type is provided by C++ but not C?

1 point

a) double

b) float

c) int

d) bool

20.What will be the output of the following C++ function?

1 point

a) Runtime error may be possible

b) Compiler error may be possible

c) 1

d) 0

21. What will be the output of the following C++ program?

1 point

a) Hello

b) World

c) Error

d) Hello World

22. Which keyword is used to define the macros in c++?

1 point

a) #macro

b) #define

c) macro

d) define

23.The C++ code which causes abnormal termination/behaviour of a program should be written under _________ block.

1 point

a) catch

b) throw

c) try

d) finally

24.What will be the output of the following C++ code?

1 point

a) 12

b) 14

c) 6

d) 7

25. What will be the output of the following C++ program?

1 point

a) runtime error

b) Sanfo

c) S

d) Sanfoundry

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