Blind Coding C Programming Quiz!
(191).jpg "Blind Coding C Programming Quiz!")
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- 1.Point out the correct statements are correct about the program below? #include int main() { char ch; while(x=0;x<=255;x++) printf("ASCII value of %d character %c\n", x, x); return 0; }
- A.
The code generates an infinite loop
- B.
The code prints all ASCII values and its characters
- C.
Error: x undeclared identifier
- D.
Error: while statement missing
- 2.Which of the following is the correct usage of conditional operators used in C?
- A.
A. a>b ? c=30 : c=40;
- B.
A>b ? c=30;
- C.
Max = a>b ? a>c?a:c:b>c?b:c
- D.
Return (a>b)?(a:b)
- 3.If a function contains two return statements successively, the compiler will generate warnings. Yes/No?
- A.
Yes
- B.
No
- 4.What will be the output of the program ? #include int main() { float arr[] = {12.4, 2.3, 4.5, 6.7}; printf("%d\n", sizeof(arr)/sizeof(arr[0])); return 0; }
- A.
5
- B.
4
- C.
6
- D.
7
- 5.Is there any difference int the following declarations? int fun(int arr[]); int fun(int arr[2]);
- A.
Yes
- B.
No
- 6.Does there exist any way to make the command-line arguments available to other functions without passing them as arguments to the function?
- A.
Yes
- B.
No
- 7.What function should be used to free the memory allocated by calloc()?
- A.
Dealloc();
- B.
Malloc(variable_name, 0)
- C.
Free();
- D.
Memalloc(variable_name, 0)
- 8.What do the following declaration signify? void *cmp();
- A.
Cmp is a pointer to an void type
- B.
Cmp is a void type pointer variable.
- C.
Cmp is a function that return a void pointer.
- D.
Cmp function returns nothing.
- 9.What will be the output of the program? #include int main() { char huge *near *far *ptr1; char near *far *huge *ptr2; char far *huge *near *ptr3; printf("%d, %d, %d\n", sizeof(**ptr1), sizeof(ptr2), sizeof(*ptr3)); return 0; }
- A.
4, 4, 4
- B.
2, 2, 2
- C.
2, 8, 4
- D.
2, 4, 8
- 10.We can modify the pointers "source" as well as "target".
- A.
True
- B.
False
- 11.Will the program outputs "IndiaBIX.com"? #includeint main(){ char str1[] = "IndiaBIX.com"; char str2[20]; strncpy(str2, str1, 8); printf("%s", str2); return 0;}
- A.
Yes
- B.
No
- 12.Which of the following cannot be checked in a switch-case statement?
- A.
Character
- B.
Integer
- C.
Float
- D.
Enum
- 13.Which of the following statements are correct about the program? #include int main() { int x = 30, y = 40; if(x == y) printf("x is equal to y\n"); else if(x > y) printf("x is greater than y\n"); else if(x < y) printf("x is less than y\n") return 0; }
- A.
Error: Statement missing
- B.
Error: Expression syntax
- C.
Error: Lvalue required
- D.
Error: Rvalue required
- 14.Are the following two statement same? 1. a <= 20 ? (b = 30): (c = 30); 2. (a <=20) ? b : (c = 30);
- A.
Yes
- B.
No
- 15.What will be the output of the program ?#include int main(){ char *str; str = "%d\n"; str++; str++; printf(str-2, 300); return 0;}
- A.
No output
- B.
30
- C.
3
- D.
300
- 16.The library function used to reverse a string is ____
- A.
Strstr()
- B.
Strrev()
- C.
Revstr()
- D.
Strreverse()
- 17.Point out the error in the program? struct emp { int ecode; struct emp *e; };
- A.
Error: in structure declaration
- B.
Linker Error
- C.
No Error
- D.
None of above
- 18.In Turbo C/C++ under DOS if we want that any wild card characters in the command-line arguments should be appropriately expanded, are we required to make any special provision?
- A.
Yes
- B.
No
- 19.Bitwise | can be used to multiply a number by powers of 2.
- A.
Yes
- B.
No
- 20.What does the following declaration signify? int *f();
- A.
F is a pointer variable of function type.
- B.
F is a function returning pointer to an int.
- C.
F is a function pointer.
- D.
F is a simple declaration of pointer variable.
- 21.Which of the following is the correct order of evaluation for the below expression? z = x + y * z / 4 % 2 - 1
- A.
* / % + - =
- B.
= * / % + -
- C.
/ * % - + =
- D.
* % / - + =
- 22.Will the printf() statement print the same values for any values of a?#includeint main(){ float a; scanf("%f", &a); printf("%f\n", a+a+a); printf("%f\n", 3*a); return 0;}
- A.
Yes
- B.
No
- 23.What will be the output of the program if the array begins 1200 in memory?#include int main(){ int arr[]={2, 3, 4, 1, 6}; printf("%u, %u, %u\n", arr, &arr[0], &arr); return 0;}
- A.
1200, 1202, 1204
- B.
1200, 1200, 1200
- C.
1200, 1204, 1208
- D.
1200, 1202, 1200
- 24.What will be the output of the program? #include int main() { printf(5+"IndiaBIX\n"); return 0; }
- A.
Error
- B.
IndiaBIX
- C.
BIX
- D.
None of above
- 25.Point out the error in the program? struct emp { int ecode; struct emp e; };
- A.
Error: in structure declaration
- B.
Linker Error
- C.
No Error
- D.
None of above
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