File Input Output In Ruby MCQs with Explanations

File object is the correct answer to “What does File.open() return in Ruby when the file is successfully opened”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.open("filename.txt", "w") is the correct answer to “How do you open a file in Ruby in write mode, creating it if it does not exist”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

readline is the correct answer to “Which method in Ruby is used to read a line from a file”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

To read all lines of a file into an array is the correct answer to “What is the purpose of the File.readlines() method in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

file.close() is the correct answer to “How do you close a file in Ruby after performing file operations”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

write() is the correct answer to “Which method in Ruby is used to write data to a file”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Opens a file for reading and appending, creating it if it does not exist is the correct answer to “What does the 'a+' file mode in Ruby signify”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

eof() is the correct answer to “Which method in Ruby is used to check if the end of a file has been reached”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

TRUE is the correct answer to “What does the File.exist? method in Ruby return if the specified file exists”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Opens a file for reading and writing, creating it if it does not exist is the correct answer to “What does the 'r+' file mode in Ruby signify”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

To check if the specified file exists is the correct answer to “What is the purpose of the File.exist? method in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

seek() is the correct answer to “Which method in Ruby is used to set the position of the file pointer”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Renames a file is the correct answer to “What does the File.rename() method in Ruby do”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

file.read() is the correct answer to “How do you read the entire contents of a file into a string in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.delete() is the correct answer to “Which method in Ruby is used to delete a file”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

To determine the size of a file in bytes is the correct answer to “What is the purpose of the File.size method in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

The file is automatically closed at the end of the block is the correct answer to “What is the result of using File.open() with the block syntax in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Opens a file for writing, truncating it if it exists is the correct answer to “What does the 'w' file mode in Ruby signify”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.readable?("filename.txt") is the correct answer to “How do you check if a file in Ruby is readable”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.writable?("filename") is the correct answer to “What method is used to check if a file is writable in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Using File.size method is the correct answer to “How do you check the size of a file in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.delete("filename") is the correct answer to “Which method is used to delete a file in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Sets the file mode to binary mode is the correct answer to “What does the binmode method do in Ruby file I/O”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Using File.readable? method is the correct answer to “How can you check if a file is readable in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Truncates the file to a specified size is the correct answer to “What does the truncate method do in Ruby file I/O”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.executable?("filename") is the correct answer to “Which method is used to check if a file is executable in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Using File.expand_path method is the correct answer to “How can you get the absolute path of a file in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Manipulates file descriptor is the correct answer to “What does the fcntl method do in Ruby file I/O”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Using Dir.mkdir method is the correct answer to “How do you create a new directory in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

Changes the file owner and group is the correct answer to “What is the purpose of the chown method in Ruby file I/O”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.hidden?("filename") is the correct answer to “Which method is used to check if a file is hidden in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

The last status change time of the file is the correct answer to “What does the ctime method return in Ruby file I/O”. This question is standard in competitive examination syllabi for File Input Output In Ruby.

File.stat("filename") is the correct answer to “Which method is used to retrieve file attributes in Ruby”. This question is standard in competitive examination syllabi for File Input Output In Ruby.