Input / Output - Programming

Input / Output - General Questions
Input / Output - Find Output of Program
Input / Output - Point Out Errors
Input / Output - Point Out Correct Statements
Input / Output - True / False Questions
Input / Output - Yes / No Questions

Point out the error in the program?

#include<stdio.h>
#include<stdlib.h>

int main()
{
    unsigned char;
    FILE *fp;
    fp=fopen('trial', 'r');
    if(!fp)
    {
        printf('Unable to open file');
        exit(1);
    }
    fclose(fp);
    return 0;
}

A Error: in unsigned char statement

B Error: unknown file pointer

C No error

D None of above

ANS:A - Error: in unsigned char statement

This program tries to open the file trial.txt in read mode. If file not exists or unable to read it prints "Unable to open file" and then terminate the program. If file exists, it simply close the file and then terminates the program.

Input / Output - Programming

Point out the error in the program?
`#include<stdio.h> #include<stdlib.h> int main() { unsigned char; FILE *fp; fp=fopen('trial', 'r'); if(!fp) { printf('Unable to open file'); exit(1); } fclose(fp); return 0; }`

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Input / Output - Programming

Point out the error in the program? #include<stdio.h> #include<stdlib.h> int main() { unsigned char; FILE *fp; fp=fopen('trial', 'r'); if(!fp) { printf('Unable to open file'); exit(1); } fclose(fp); return 0; }

Solution

For help Students Orientation Mcqs Questions

Point out the error in the program?
`#include<stdio.h> #include<stdlib.h> int main() { unsigned char; FILE *fp; fp=fopen('trial', 'r'); if(!fp) { printf('Unable to open file'); exit(1); } fclose(fp); return 0; }`

For help Students Orientation
Mcqs Questions