Quiz developer docs
Which of the following output should be used to obtain a remainder after dividing 3.14 by 2.1 ? A) rem= modf(3.14,2.1); B) rem =fmod(3.14,2.1); C) rem=3.14%2.1; D) Remainder cannot be obtain in floating point division. ANSWER: C
What are the type of linkages? A) External and None B) Internal C) Internal and External D) External,Internal and None ANSWER: D
Which of the following special symbol allowed in a variable name? A) * (asterisk) B) - (hyphen) C) _ (underscore) D) | (pipeline) ANSWER: C
4 Is there any difference between following these declarations ?
1. extern int fun();
2. int fun();
A) No difference, except extern int fun(); is probably in another file
B) Both are identical
C) int fun(); is overrided with extern int fun();
D) None of these
ANSWER: A
5 How would you round off a value from 1.66 to 2.0? A) ceil(1.66) B) floor(1.66) C) roundup(1.66) D) roundto(1.66)
ANSWER: A
6. By default a real number is treated as a A) float B) double C) long double D) far double
ANSWER: B
7. Which of the following is not user defined data type? 1 : struct book {
char name[10]; float price; int pages;
}; 2 : long int l = 2.35; 3 : enum day {Sun, Mon, Tue, Wed}; A) 1 B) 2 C) 3 D) Both 1 and 2 ANSWER: B
Is the following statement a declaration or definition? extern int i; A) Declaration B) Definition C) Function D) Error ANSWER: A
9. Identify which of the following are declarations 1 : extern int x; 2 : float square ( float x ) { ... } 3 : double pow(double, double); A) 1 B) 2 C) 1 and 3 D) 3 ANSWER: C
10. In the following program where is the variable a getting defined and where it is getting declared?
- include<stdio.h>
int main() {
extern int a;
printf("%d\n", a);
return 0;
} int a=20; A) extern int a is declaration, int a = 20 is the definition B) int a = 20 is declaration, extern int a is the definition C) int a = 20 is definition, a is not defined D) a is declared, a is not defined ANSWER: A
11.
When we mention the prototype of a function?
A) Defining
B) Declaring
C) Prototyping
D) Calling
ANSWER: B
12.
What is the output of the program given below ?
- include<stdio.h>
int main() {
enum status { pass, fail, atkt};
enum status stud1, stud2, stud3;
stud1 = pass;
stud2 = atkt;
stud3 = fail;
printf("%d, %d, %d\n", stud1, stud2, stud3);
return 0;
} A) 0, 1, 2 B) 1, 2, 3 C) 0, 2, 1 D) 1, 3, 2 ANSWER: C
13. What will be the output of the program in 16 bit platform (Turbo C under DOS)?
- include<stdio.h>
int main() {
extern int i;
i = 20;
printf("%d\n", sizeof(i));
return 0;
} A) 2 B) 4 C) vary from compiler D) Linker Error : Undefined symbol 'i' ANSWER: D
14. What is the output of the program?
- include<stdio.h>
int main() {
extern int a;
printf("%d\n", a);
return 0;
} int a=20; A) 20 B) 0 C) Garbage Value D) Error ANSWER: A
15. What is the output of the program in Turbo C (in DOS 16-bit OS)?
- include<stdio.h>
int main() {
char *s1;
char far *s2;
char huge *s3;
printf("%d, %d, %d\n", sizeof(s1), sizeof(s2), sizeof(s3));
return 0;
} A) 2, 4, 6 B) 4, 4, 2 C) 2, 4, 4 D) 2, 2, 2 ANSWER: C
