A basic element of data in a file.

Which one of the following explains the sequential file access method?

Mapping of file is managed by ____________

File type can be represented by ____________

What is the output of this C code?
#include
int main()
{
FILE *fp = stdout;
int n;
fprintf(fp, "%d ", 45);
fflush(stdout);
fprintf(stderr, "%d", 65);
return 0;
}

What is the output of this C code?

#include
int main()
{
FILE *fp = stdout;
int n;
fprintf(fp, "%dn ", 45);
fprintf(stderr, "%d ", 65);
return 0;
}

What is the output of this C code?

#include
int main()
{
FILE *fp = stdout;
int n;
fprintf(fp, "%d ", 45);
fprintf(stderr, "%d ", 65);
return 0;
}

stdout, stdin and stderr are

What is the output of this C code?

#include
#include
int main()
{
FILE *fp = stdout;
int n;
fprintf(fp, "%d", 45);
}

What is the output of this C code?

#include
int main()
{
FILE *fp = stdin;
int n;
fprintf(fp, "%d", 45);
}

How do you open a file for binary IO?

What flag do you need to pass to fopen to append to an existing file instead of recreating the file?

How do you write a string of text into a file?

Before you can read or write to a file in C, what do you need to do?

What object do you use to represent a file in C

Where is a file temporarily stored before read or write operation in C language.?

What is a C FILE data type.?

What is the need for a File when you can store anything in memory.?

The value of EOF is_____

Select which is true about a stream…

Select which is true about a stream _______

Select text file in which number will take.

Choose a correct statement about C file "R" mode operation using fopen.
fopen("abc.txt","r");

Choose a correct statement about FGETS in C program.
int main()
{
FILE *fp;
char str[80];
fp=fopen("readme.txt","r");
while(fgets(str,80,fp) != NULL)
{
printf("%s",str);
}
fclose(fp);
}

If a FILE pointer is NULL what does it mean?
FILE *fp;
fp=fopen("abc.txt","w");

What is the keyword used to declare a C file pointer?

What is the Cfunction used tomove current pointer to the beginning of file?
FILE *fp;

Choose a correct statement about opening a file in binary mode for reading.
FILE *fp;
fp=fopen("abc.txt","rb");

Choose a correct statement about C file mode "a+".
FILE *fp;
fp=fopen("abc.txt","a+);

Choose a correct statement about C file mode "a".
FILE *fp;
fp=fopen("abc.txt","a");

File Pointer is a

File Opening is

What will be the output of the C program?

#include
int main()
{
fprintf(&_streams[1], "This will display");
return 0;
}

What will be the output of the C program?

/*This program uses the file "int_numbers.txt"*/
/*4 5 6 5*/
#include
int main()
{
int num[4];
int i = 0, tot = 0;
FILE *fptr;
fptr = fopen("int_numbers.txt", "r");
if(fptr == NULL)
{
printf("File not exist");
}
for(i = 0; i < 4; i++) { fscanf(fptr, "%d,", &num[i]); } for(i = 0; i < 4; i++) { printf("%d ", num[i]); tot = tot + num[i]; } printf("tot = %d", tot); fclose(fptr); return 0; }

What will be the output of the C program?

/*The file datafile.txt is already exists.*/
/*This program uses the datafile.txt which contains the following data*/
/*Hai. This is quiz.com.*/
#include
int main()
{
char *str;
fptr = fopen("datafile.txt", "r");
fgets(str, 22, fptr);
printf("%s", str);
return 0;
}

What will be the output of the C program?

/*The file datafile.txt is already exists.*/
/*This program uses the datafile.txt which contains the following data*/
/*Hai. This is quiz.com.*/
#include
int main()
{
char ch;
FILE *fptr;
fptr = fopen("datafile.txt", "r+");
fprintf(fptr, "Welcome. ");
fclose(fptr);
fptr = fopen("datafile.txt", "r");
while((ch = fgetc(fptr))!= EOF)
{
printf("%c",ch);
}
fclose(fptr);
return 0;
}

What will be the output of the C program?

/*creating new file and writing data into a file*/
#include
int main()
{
FILE *fptr;
char name[40], name1[40];
fptr = fopen("record.txt", "r+");
if(fptr == NULL)
{
printf("File not exist");
exit(1);
}
printf("Enter your name: ");
gets(name);
fputs(name, fptr);
rewind(fptr);
fgets(name1, 40, fptr);
printf("Name: %s", name1);
fclose(fptr);
return 0;
}
/*say you give a name john*/

What will be the output of the C program?

/*The file datafile.txt is already exists.*/
/*This program uses the datafile.txt which contains the following data*/
/* Hai. This is quiz.com. */
#include
int main()
{
char ch;
FILE *fptr;
fptr = fopen("datafile.txt", "w+");
fclose(fptr);
fptr = fopen("datafile.txt", "r");
while((ch = fgetc(fptr))!= EOF)
{
printf("%c",ch);
}
fclose(fptr);
return 0;
}

What will be the output of the C program?

/*This program uses the datafile.txt which contains the following data*/
/* Hai. This is together.com. */
#include
int main()
{
char *str = "We are together.com";
fprintf(stdout, str);
return 0;
}

What will be the output of the C program?

#include
int main()
{
int f1, f2;
FILE *fp;
fp = fopen("datafile.txt", "w");
f1 = EOF;
f2 = feof(fp);
if(f1 == f2)
{
printf("EOF and feof(), both returns the same value");
}
else
{
printf("EOF and feof() both returns different values");
}
return 0;
}

What will be the output of the C program?

#include
int main()
{
char *str = "ZOHO";
while (*str)
{
putc(*str, stdout);
fputchar(*str);
printf("%c", *str);
str++;
}
return 0;
}

What will be the output of the C program?

/*This program uses two files*/
#include
int main()
{
char ch;
FILE *fptr1, *fptr2;
fp = fopen("datafile1.txt", "w");
fp = fopen("datafile2.txt", "w");
printf("Thank you.");
fclose(*fptr1, *fptr2);
return 0;
}

What will be the output of the C program?

/*This program uses the datafile.txt which contains the following data*/
/* Hai. This is quiz.com. */
#include
int main()
{
char ch;
FILE *fp;
fp = fopen("datafile.txt", "w");
while ((ch = fgetc(fp)) != EOF)
{
printf("%c", ch);
}
printf("Thank you.");
fclose(fp);
return 0;
}

What will be the otputof the program?
/*This program uses the datafile.txt which contains the following data*/
/* Hai. This is quiz.com. */

#include
int main()
{
unsigned char ch;
FILE *fp;
fp = fopen("datafile.txt", "r");
while ((ch = fgetc(fp)) != EOF)
{
printf("%c", ch);
}
printf(" Thank you.");
fclose(fp);
return 0;
}

fopen() function will not opens _____

What will be the output of the C program?

#include
int main()
{
EOF++;
printf("%d", EOF);
return 0;
}

What will be the output of the C program?

#include
int main()
{
int EOF = 0;
printf("%d", EOF);
return 0;
}

Choose a correct statement about C File Mode "w+".
FILE *p;
p=fopen("abc.txt","r+");

What are the C functions used to read or write a file in Text Mode.?

What is the syntax for writing a file in C using binary mode.?
FILE *fp;

Choose a correct statement about C file "R" mode operation using fopen.
fopen("abc.txt","r");

What is the need for closing a file in C language.?

Choose a correct statement about C file operation program.?
int main()
{
FILE *fp;
char ch;
fp=fopen("readme.txt","r");
while((ch=fgetc(fp)) != EOF)
{
printf("%c",ch);
}
}

Select a program which get input data from datafile and also send output into datafile ,it is called…

_____removes the named file, so that a subsequent attempt to open it will fail.

What does the following segment of code do? fprintf(fp, "Copying!");

What is the meant by 'a' in the following operation?

fp = fopen("hello.txt", "a");

Which is true about getc.getc returns?

A file written in text mode can be read back in binary mode.

A text stream is an ordered sequence of characters composed into lines, each line consisting of zero or more characters plus a terminating new-line character.

In fopen(), the open mode "wx" is sometimes preferred "w" because.
1) Use of wx is more efficient.
2) If w is used, old contents of file are erased and a new empty file is created. When wx is used, fopen() returns NULL if file already exists.

Which is data type of file pointer is

stderr, stdin, stdout are FILE pointers

We should not read after a write to a file without an intervening call to fflush(), fseek() or rewind()

Select a function which is used to write a string to a file

A data of the file is stored in _______

What is the output of this program?

#include
int main(){
char c;
FILE *fp;
fp=fopen("demo.txt","a+"); // demo.txt : hello you are reading a file
fprintf(fp," demo");
fclose(fp);
fp=fopen("myfile.txt","r");

while((c=fgetc(fp))!=EOF)
printf("%c",c);
fclose(fp);
return 0;
}

What is the output of this program?

#include
int main(){
char c;
FILE *fp;
fp=fopen("demo.txt","r");
while((c=fgetc(fp))!=EOF)
printf("%c",c);
fclose(fp);
return 0;
}

What is the output of this program?

#include
int main(){
FILE *fp;
char *str;
fp=fopen("demo.txt","r");// demo.txt :you are a good programmer
while(fgets(str,6,fp)!=NULL)
puts(str);
fclose(fp);
return 0;
}

getc() returns EOF when

When fopen() is not able to open a file, it returns

Which files will get closed through the fclose() in the following program?

void main()
{
FILE *fp, *ft;
fp = fopen("a.txt", "r");
ft = fopen("b.txt", "r");
fclose(fp,ft);
}

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

Which is true?

What is the return value of putchar()?

It is not possible to combine two or more file opening mode in open () method.

If there is any error while opening a file, fopen will return?

When a C program is started, O.S environment is responsible for opening file and providing pointer for that file?

What does the following C code snippet mean?

int ungetc(int c, FILE *stream)

setvbuf() and setbuf() function controls buffering for the stream.

Select the right explanation for the following C code snippet.

int fgetpos(FILE *stream, fpos_t *s)

Which function will return the current file position for stream?

Which type of files cannot be opened using fopen()?

For binary files, a ___ must be appended to the mode string.

fseek() should be preferred over rewind() mainly because

FILE reserved word is?

FILE is of type ______

The first and second arguments of fopen() are

Which of the following mode argument is used to truncate?

Which of the following true about FILE *fp

what is the function of fputs()?

Choose the right statement for fscanf() and scanf()

fwrite() can be used only with files that are opened in binary mode.

What does tmpfile() returns when it could not create the file?

What is the function of FILE *tmpfile(void)?

_____removes the named file, so that a subsequent attempt to open it will fail.

fflush(NULL) flushes all ____________

If the mode includes b after the initial letter, what does it indicates?

What is the function of the mode ‘ w+’?

Which one of the following is correct syntax for opening a file.