File Input Output in Ruby MCQ question and answer with solution | Ruby Programming MCQs

A. To check if the specified file is empty

B. To check if the specified file is readable

C. To check if the specified file is writable

D. To check if the specified file exists

A. seek()

B. position()

C. set_pointer()

D. pointer_position()

A. Creates a file

B. Deletes a file

C. Copies a file

D. Renames a file

A. file.gets()

B. file.readlines()

C. file.read()

D. file.each_line()

A. File.erase()

B. File.delete()

C. File.clear()

D. File.erase()

A. To determine the number of characters in a file

B. To determine the last modification time of a file

C. To determine the size of a file in bytes

D. To determine the number of lines in a file

A. The file remains open after the block is executed

B. The file is opened in write mode

C. The file is opened in read mode

D. The file is automatically closed at the end of the block

A. Opens a file for writing, truncating it if it exists

B. Opens a file for reading and writing, creating it if it does not exist

C. Opens a file for reading, creating it if it does not exist

D. Opens a file for appending, creating it if it does not exist

A. File.writable("filename.txt")

B. File.readable("filename.txt")

C. File.writable?("filename.txt")

D. File.readable?("filename.txt")

A. File.writable?("filename", "w")

B. File.writable?("filename", "r")

C. File.writable?("filename")

D. File.writable?("filename", "rw")