1. PlacementQuestion
2. C Interview Questions
3. Online Test for C

Online Test for C

1. perror( ) function used to ?
   Work same as printf()
   prints the error message specified by the compiler
   prints the garbage value assigned by the compiler
   None of the above

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2. What is Dequeue?
   Elements can be added from front
   Elements can be added to or removed from either the front or rear
   Elements can be added from rear
   None of the above

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3. A file opened for writing already exists its contents would be overwritten.
   True
   False

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4. #define is known as preprocessor compiler directive.
   True
   False

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5. The keywords cannot be used as variable names.
   True
   False

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6. Which one of the following in-place sorting algorithms needs the minimum number of swaps?
   Insertion Sort
   Quick Sort
   Heap Sort
   Selection Sort

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7. Which of the following is allowed in a C Arithmetic instruction
   []
   {}
   ()
   None of the above

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8. Why we use malloc and calloc for
   Dynamic memory allocation
   Static memory allocation
   Both dynamic and static memory allocation
   None of the above

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9. The correct way to round off a floating number x to an integer value is
   y = int (x + 0.5)
   y = (int) (x + 0.5)
   y = (int) x + 0.5
   y = (int) ((int)x + 0.5)

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10. An array elements are always stored in _________ memory locations.
    Sequential
    Random
    Sequential and Random
    None of the above

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