File Input Output MCQs

Question 1

In C, what is the function of the 'feof' function?

Accepted Answer

To check if the file has reached the end

Answer

To find the size of a file

Answer

To check if the file is open

Answer

To check if the file exists

Question 2

Which function is used to move the file pointer to a specific position in a file?

Accepted Answer

fseek()

Answer

movefile()

Answer

setposition()

Answer

fileseek()

Question 3

What is the purpose of the 'rewind' function in C?

Accepted Answer

To reset the file pointer to the beginning

Answer

To close the file

Answer

To delete the file

Answer

To check if the file is empty

Question 4

Which function is used to read a line of text from a file in C?

Accepted Answer

fgets()

Answer

readtext()

Answer

getline()

Answer

readline()

Question 5

What is the difference between 'r+' and 'w+' modes when opening a file in C?

Accepted Answer

'r+' is for reading and writing, 'w+' is for writing only, creating a new file

Answer

'r+' is for reading and writing, 'w+' is for reading only

Answer

'r+' is for reading and writing, 'w+' is for writing only, overwriting an existing file

Answer

'r+' is for reading only, 'w+' is for reading and writing, creating a new file

Question 6

Which function is used to delete a file in C?

Accepted Answer

remove()

Answer

deletefile()

Answer

erasefile()

Answer

delete()

Question 7

What does the 'fread' function in C do?

Accepted Answer

Reads binary data from a file

Answer

Reads formatted data from a file

Answer

Reads a specific line from a file

Answer

Reads a character from a file

Question 8

Which function is used to rename a file in C?

Accepted Answer

rename()

Answer

changename()

Answer

movefile()

Answer

setfilename()

Question 9

In C, what does the 'feof' function return if the end of the file is reached?

Accepted Answer

EOF

Answer

0

Answer

1

Answer

-1