File Handling MCQs

What does the `WRITE` mode do when a file is opened in this mode?

• Reads data from the file

• Writes data to the file, overwriting any existing content

• Adds data to the end of the file

• Reads and writes data to the file

What does the `APPEND` mode do when a file is opened in this mode?

• Reads data from the file

• Writes data to the file, overwriting any existing content

• Adds data to the end of the file

• Deletes the content of the file

Which function is used to check if the end of a file has been reached?

• EOF()

• endOfFile()

• end()

• isEOF()

What does the `READ` mode do when a file is opened in this mode?

• Adds data to the file

• Reads data from the file

• Overwrites data in the file

• Deletes the file

What data type must be used when reading or writing lines in a text file?

• INTEGER

• FLOAT

• STRING

• BOOLEAN

What is the purpose of closing a file after it is no longer being used?

• To prevent data corruption

• To write data automatically

• To delete the file

• To change file permissions

Which statement is TRUE about the `EOF` function?

• It writes data to the file

• It returns TRUE if the end of the file is reached

• It returns FALSE when the file is first opened

• It reads the last line of the file

What happens if you try to read from a file that doesn't exist?

• The file is created

• An error occurs

• A warning is issued

• The system ignores it and proceeds

What happens to the content of a file when opened in `WRITE` mode?

• The content is appended

• The content is overwritten

• The content is read-only

• The content remains unchanged

What is the correct order of operations for reading from a file in pseudocode?

• Open → Read → Close

• Close → Open → Read

• Read → Open → Close

• Open → Close → Read