c part 2

1. Which of the following typecasting is accepted by C language?

• a) Widening conversions

• b) Narrowing conversions

• c) Widening & Narrowing conversions

• d) None of the mentioned

2. What is an example of iteration in C?

• a) for

• b) while

• c) do-while

• d) all of the mentioned

3. Functions can return enumeration constants in C?

• a) true

• b) false

• c) depends on the compiler

• d) depends on the standard

4. Which of the following are C preprocessors?

• a) #ifdef

• b) #define

• c) #endif

• d) all of the mentioned

5. How many number of pointer (*) does C have against a pointer variable declaration?

• a) 7

• b) 127

• c) 255

• d) No limits

6. Which of the following is not possible statically in C language?

• a) Jagged Array

• b) Rectangular Array

• c) Cuboidal Array

• d) Multidimensional Array

7. Which of the following is not an operator in C?

• a) ,

• b) sizeof()

• c) ~

• d) None of the mentioned

8. scanf() is a predefined function in______header file.

• a) stdlib. h

• b) ctype. h

• c) stdio. h

• d) stdarg. h

9.What is meant by ‘a’ in the following C operation?

fp = fopen("Random.txt", "a");

• a) Attach

• b) Append

• c) Apprehend

• d) Add

10. What will happen if the following C code is executed?

#include <stdio.h>

int main()

{

int main = 3;

printf("%d", main);

return 0;

}

• a) It will cause a compile-time error

• b) It will cause a run-time error

• c) It will run without any error and prints 3

• d) It will experience infinite looping