C Programming MCQ - Array And String

11. Length of the string "letsfindcourse" is

A. 13
B. 14
C. 15
D. 12

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12. How will you print on the screen?

A. printf(" ");
B. printf(' ');
C. printf("\n");
D. printf("" ")

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13. If the two strings are identical, then strcmp() function returns

A. -1
B. 1
C. 0
D. None

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14. Which of the following statements are correct ?
1: A string is a collection of characters terminated by '.
2: The format specifier %s is used to print a string.
3: The length of the string can be obtained by strlen().
4: The pointer CANNOT work on string.

A. 1,2,3
B. 1,2
C. 2,4
D. 3,4

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15. Let x be an array.Which of the following operations is illegal?
i) ++x.
ii) x+1.
iii) x++.
iv) x*2.

A. I and II
B. I, III and IV
C. III and IV
D. II and III

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16. Strcat function adds null character

A. Only if there is space
B. Always
C. Depends on the standard
D. epends on the compiler

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17. Which of the following function sets first n characters of a string to a given character?

A. strset()
B. strnset()
C. strcset()
D. strinit()

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18. The library function used to find the last occurrence of a character in a string is

A. strnstr()
B. laststr()
C. strrchr()
D. strstr()

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19. Which of the following gives the memory address of the first element in array foo, an array with 10 elements?

A. foo
B. &foo
C. foo[0]
D. &foo[0]

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20. What will happen if in a C program you assign a value to an array element whose subscript exceeds the size of array?

A. The element will be set to 0.
B. The compiler would report an error.
C. The program may crash
D. None of the above

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