IO, Adv C

Question: What will be output if you will compile and execute the following c code?
#include<stdio.h> int main(){ char *str; scanf("%[^\n]",str); printf("%s",str); return 0; }
A
It will accept a word as a string from user.

B
It will accept a sentence as a string from user.

C
It will accept a paragraph as a string from user.

D
Compiler error

E
None of above

Note: Not available
1. Report
Question: What will be output if you will compile and execute the following c code?

#include<stdio.h>
int main(){
float f=3.4e39;
printf("%f",f);
return 0;
}
A
3.4e39

B
3.40000…

C
+INF

D
Compiler error

E
Run time error

Note: Not available
1. Report
Question: What will be output if you will compile and execute the following c code?

#include<stdio.h>
int main(){
float f=5.5f;
float x;
x=f%2;
printf("%f",x);
return 0;
}
A
1.500000

B
1.000000

C
5.500000

D
Compiler error

E
None

Note: Not available
1. Report
Question: What will be output if you will compile and execute the following c code?

#include<stdio.h>
int main(){
int a=-20;
int b=-3;
printf("%d",a%b);
return 0;
}
A
2

B
-2

C
18

D
-18

E
Compiler error

Note: Not available
1. Report
Question: What will be output if you will compile and execute the following c code?

#include<stdio.h>
int main(){
char c='0';
printf("%d %d",sizeof(c),sizeof('0'));
return 0;
}
A
1 1

B
2 2

C
1 2

D
2 1

E
None

Note: Not available
1. Report
Question: What will be output if you will compile and execute the following c code?
#include<stdio.h> int main(){ float f; f=3/2; printf("%f",f); return 0; }
A
1.5

B
1.500000

C
1.000000

D
Compiler error

E
None

Note: Not available
1. Report
Question: In a file contains the line "I am a boy\r\n" then on reading this line into the array str using fgets(). What will str contain?
A
"I am a boy\r\n\0"

B
"I am a boy\r\0"

C
"I am a boy\n\0"

D
"I am a boy"

Note: Not available
1. Report
Question: What is the purpose of "rb" in fopen() function used below in the code?
FILE *fp; fp = fopen("source.txt", "rb");
A
open "source.txt" in binary mode for reading

B
open "source.txt" in binary mode for reading and writing

C
Create a new file "source.txt" for reading and writing

D
None of above

Note: Not available
1. Report
Question: What does fp point to in the program ?
#include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; }
A
The first character in the file

B
A structure which contains a char pointer which points to the first character of a file.

C
The name of the file.

D
The last character in the file.

Note: Not available
1. Report
Question: Which of the following operations can be performed on the file "NOTES.TXT" using the below code?
FILE *fp; fp = fopen("NOTES.TXT", "r+");
A
Reading

B
Writing

C
Appending

D
Read and Write

Note: Not available
1. Report

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Question: What will be output if you will compile and execute the following c code?
#include<stdio.h> int main(){ char *str; scanf("%[^\n]",str); printf("%s",str); return 0; }

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

#include<stdio.h>
int main(){
float f=3.4e39;
printf("%f",f);
return 0;
}

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

#include<stdio.h>
int main(){
float f=5.5f;
float x;
x=f%2;
printf("%f",x);
return 0;
}

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

#include<stdio.h>
int main(){
int a=-20;
int b=-3;
printf("%d",a%b);
return 0;
}

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

#include<stdio.h>
int main(){
char c='0';
printf("%d %d",sizeof(c),sizeof('0'));
return 0;
}

Question: What will be output if you will compile and execute the following c code?
#include<stdio.h> int main(){ float f; f=3/2; printf("%f",f); return 0; }

Question: In a file contains the line "I am a boy\r\n" then on reading this line into the array str using fgets(). What will str contain?

Question: What is the purpose of "rb" in fopen() function used below in the code?
FILE *fp; fp = fopen("source.txt", "rb");

Question: What does fp point to in the program ?
#include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; }

Question: Which of the following operations can be performed on the file "NOTES.TXT" using the below code?
FILE *fp; fp = fopen("NOTES.TXT", "r+");

Question: What will be output if you will compile and execute the following c code?#include<stdio.h> int main(){ char *str; scanf("%[^\n]",str); printf("%s",str); return 0; }

Question: What will be output if you will compile and execute the following c code?#include<stdio.h>int main(){ float f=3.4e39; printf("%f",f); return 0;}

Question: What will be output if you will compile and execute the following c code?#include<stdio.h>int main(){ float f=5.5f; float x; x=f%2; printf("%f",x); return 0;}

Question: What will be output if you will compile and execute the following c code?#include<stdio.h>int main(){ int a=-20; int b=-3; printf("%d",a%b); return 0;}

Question: What will be output if you will compile and execute the following c code?#include<stdio.h>int main(){ char c='0'; printf("%d %d",sizeof(c),sizeof('0')); return 0;}

Question: What will be output if you will compile and execute the following c code?#include<stdio.h> int main(){ float f; f=3/2; printf("%f",f); return 0; }

Question: In a file contains the line "I am a boy\r\n" then on reading this line into the array str using fgets(). What will str contain?

Question: What is the purpose of "rb" in fopen() function used below in the code?FILE *fp; fp = fopen("source.txt", "rb");

Question: What does fp point to in the program ?#include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; }

Question: Which of the following operations can be performed on the file "NOTES.TXT" using the below code?FILE *fp; fp = fopen("NOTES.TXT", "r+");

Question: What will be output if you will compile and execute the following c code?
#include<stdio.h> int main(){ char *str; scanf("%[^\n]",str); printf("%s",str); return 0; }

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

#include<stdio.h>
int main(){
float f=3.4e39;
printf("%f",f);
return 0;
}

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

#include<stdio.h>
int main(){
float f=5.5f;
float x;
x=f%2;
printf("%f",x);
return 0;
}

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

#include<stdio.h>
int main(){
int a=-20;
int b=-3;
printf("%d",a%b);
return 0;
}

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

#include<stdio.h>
int main(){
char c='0';
printf("%d %d",sizeof(c),sizeof('0'));
return 0;
}

Question: What will be output if you will compile and execute the following c code?
#include<stdio.h> int main(){ float f; f=3/2; printf("%f",f); return 0; }

Question: What is the purpose of "rb" in fopen() function used below in the code?
FILE *fp; fp = fopen("source.txt", "rb");

Question: What does fp point to in the program ?
#include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; }

Question: Which of the following operations can be performed on the file "NOTES.TXT" using the below code?
FILE *fp; fp = fopen("NOTES.TXT", "r+");