Answer Posted / sachin 12

#include<stdio.h>
#include<conio.h>
void main()
{
int num,i=2,f=0,j;
printf("\n enter any number");
scanf("%d",&num);
a=num;
while(i<num)
{
if(num%i==0)
{
f=1
break;
}
i++;
}
if(f==i)
{
printf("\n the number is not prime");
}
else
{
printf(""\n the number is prime");
}
getch();
}

Explain how do you determine the length of a string value that was stored in a variable?

1196

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When the macros gets expanded?

1484

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Why main is not a keyword in c?

1315

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1) There is a singing competition for children going to be conducted at a local club. Parents have been asked to arrive at least an hour before and register their children’s names with the Program Manager. Whenever a participant registers, the Program Manager has to position the name of the person in a list in alphabet order. Write a program to help the Program Manager do this by placing the name in the right place each time the Program Manger enters a name. The Logic should be written in Data Structures?

2522

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What does sizeof int return?

1132

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Why is c faster?

1183

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What does malloc () calloc () realloc () free () do?

1103

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What are the 5 organizational structures?

1080

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What should malloc(0) do? Return a null pointer or a pointer to 0 bytes?

1132

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How do you determine a file’s attributes?

1132

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What is const keyword in c?

1218

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What are the 3 types of structures?

1063

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Why isn't any of this standardized in c? Any real program has to do some of these things.

1265

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Can you subtract pointers from each other? Why would you?

1005

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Explain the use of bit fieild.

1197

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