Java C Basics Test 2 – Java C Basics Question and Answers

How would you round off a value from 1.66 to 2.0?

By default a real number is treated as a

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};

What are the types of linkages?

Is there any difference between following declarations?
1 : extern int fun();
2 : int fun();

Which of the following special symbol allowed in a variable name?

Identify which of the following are declarations
1 : extern int x;
2 : float square ( float x ) { … }
3 : double pow(double, double);

Which of the following statements should be used to obtain a remainder after dividing 3.14 by 2.1 ?

Is the following statement a declaration or definition?
extern int i;

In the following program where is the variable a getting defined and where it is getting declared?
#include
int main()
{
extern int a;
printf(“%d “, a);
return 0;
}
int a=20;

What will be output if you will compile and execute the following c code?

#include
int main(){
int a=sizeof(a);
a=modify(a);
printf(“%d”,a);
return 0;
}
int modify(int x){
int y=3;
_AX=x+y;
return;
}

Which of the following is a two-dimensional array?

What will be output if you will compile and execute the following c code?

#include
int main(){
float f;
f=3/2;
printf(“%f”,f);
return 0;
}

What will be output if you will compile and execute the following c code?

#include
int main(){
int array[2][2][3]={0,1,2,3,4,5,6,7,8,9,10,11};
printf(“%d”,array[1][0][2]);
return 0;
}

What is the index number of the last element of an array with 29 elements?

Which of the following correctly declares an array?

What will be output if you will compile and execute the following c code?

#include
int main(){
int a=15,b=10,c=5;
if(a>b>c )
printf(“Trre”);
else
printf(“False”);
return 0;
}

What will be output if you will compile and execute the following c code?
#define PRINT printf(“c”);printf(“c++”);
int main(){
float a=5.5;
if(a==5.5)
PRINT
else
printf(“Not equal”);
return 0;
}

Which of the following gives the memory address of the first element in array foo, an array with 100 elements?

Which of the following correctly accesses the seventh element stored in foo, an array with 100 elements?