C Programming Language

Questions

1. Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ?
2. What are the types of linkages?
3. Which of the following special symbol allowed in a variable name?
4. Is there any difference between following declarations? 1 : extern int fun(); 2 : int fun();
5. How would you round off a value from 1.66 to 2.0?
6. By default a real number is treated as a
7. Is the following statement a declaration or definition? extern int i;
8. Identify which of the following are declarations (1) extern int x; (2) float square ( float x ) { ... } (3) double pow(double, double);
9. Property which allows to produce different executable for different platforms in C is called?
10. #include is called
11. C preprocessors can have compiler specific features.
12. C preprocessor is conceptually the first step during compilation.
13. Preprocessor feature that supply line numbers and file names to compiler is called?
14. #include are _______ files and #include “somefile.h” ________ files.
15. A preprocessor is a program.
16. Which of the following are C preprocessors?
17. #include statement must be written.
18. #pragma exit is primarily used for?
19. The C-preprocessors are specified with _________symbol.
20. The #include directive
21. The preprocessor provides the ability for _______________.
22. If #include is used with file name in angular brackets.
23. Is it possible to run program without main() function?
24. How many main() function we can have in our project?
25. What is sizeof() in C?
26. Is it true that a function may have several declaration, but only one definition.
27. Is the following statement a declaration or definition extern int i;
28. Which programming language is more faster among these?
29. Which of the following is executed by Preprocess?
30. Prototype of a function means _____
31. O(N)(linear time) is better than O(1) constant time.
32. For 'C' programming language
33. What is the maximun number of dimensions an array in C may have?
34. If x is an array of interger, then the value of &x[i] is same as
35. If S is an array of 80 characters, then the value assigned to S through the statement scanf("%s",S) with input 12345 would be
36. Size of the array need not be specified, when
37. A one dimensional array A has indices 1....75.Each element is a string and takes up three memory words. The array is stored starting at location 1120 decimal. The starting address of A[49] is
38. Minimum number of interchange needed to convert the array 89,19,40,14,17,12,10,2,5,7,11,6,9,70, into a heap with the maximum element at the root is
39. Which of the following is an illegal array definition?
40. Minimun number of comparison required to compute the largest and second largest element in array is
41. The information about an array used in a program will be sorted in
42. In which of the following cases, linked list implementation of sparse matrices consumes the same memory space as the conventional way of storing the entire array?
43. The minmum number of inter changes needed to convert the array 89,19,40,17,12,10,2,5,7,11,6,9,70 into a heap with maximum element at the root is
44. The const feature can be applied to
45. Choose the correct statements
46. If storage class is missing in the array definition, by default it will be taken to be
47. Consider the array definition int num [10] = {3, 3, 3}; Pick the Correct answers
48. While passing an array as an actual argument, the function call must have the array name
49. The following program main( ) { static int a[ ] = { 7, 8, 9 }; printf( "%d", 2[ a ] + a[ 2 ] ); }
50. The parameter passing mechanism for an array is
51. Consider the following statement, 4 will be the value of int val[2][4] = { 1, 2, 3, 4, 5, 6, 7, 8};
52. The maximum number of dimension an array can have in C is
53. Under which of the following conditions, the size of an one-dimensional array need not be specified?
54. If a two dimensional array is used as a formal parameter, then
55. The following program main() { static char a[3][4] = {"abcd", "mnop", "fghi"}; putchar(**a); }
56. C does no automatic array bound checking. This is
57. If n has the value 3, then the statement a[++n] = n++; means?
58. Choose the statement that best defines an array
59. A set of names can be represented as a
60. If arr is a two dimensional array of 10 rows and 12 columns, then arr (5) logically points to the
61. While sorting a set of names, representing the names as an array of pointers is preferable to representing the names as a two dimensional array of characters because
62. Choose the correct statements
63. Pick the correct answers if x is an one dimensional array, then
64. A file is preferable to an array of structures because
65. Consider the following declaration, Choose the correct remark(s). char street[10] = "abcdefghi";
66. What is your comment on the below C statement? signed int *p=(int*)malloc(sizeof(unsigned int));
67. A variable name in C includes which special symbols?
68. Which of the following header file can be used to define the NULL macro?
69. To print a double value which format specifier can be used?
70. Which statement can print \n on the screen?
71. Which keyword can be used for coming out of recursion?
72. The keyword ‘break’ cannot be simply used within:
73. Which keyword is used to come out of a loop only for that iteration?
74. Which loop is most suitable to first perform the operation and then test the condition?
75. Example of iteration in C.
76. Switch statement accepts.
77. if (a == 1||b == 2){} can be written as:
78. Which of the following is an invalid if-else statement?
79. goto can be used to jump from main to within a function?
80. What is the output of this C code? int main() { for (int i = 0;i < 1; i++) printf("In for loop\n"); }
81. What is the output of this C code? void main() { int k = 0; for (k) printf("Hello"); }
82. What is the output of this C code? void main() { int k = 0; for (k < 3; k++) printf("Hello"); }