1. What does File.open() return in Ruby when the file is successfully opened? A. Integer representing file descriptor B. Array of file contents C. Boolean value D. File object Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
2. How do you open a file in Ruby in write mode, creating it if it does not exist? A. File.create("filename.txt", "w") B. File.write("filename.txt", "w") C. File.open("filename.txt", "w") D. File.new("filename.txt", "w") Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
3. Which method in Ruby is used to read a line from a file? A. read B. readline C. getline D. read Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
4. What is the purpose of the File.readlines() method in Ruby? A. To delete all lines from a file B. To write all lines of a file from an array C. To read all lines of a file into an array D. To read a specific line from a file Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
5. How do you close a file in Ruby after performing file operations? A. close(file) B. File.close(file) C. Close.file() D. file.close() Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
6. Which method in Ruby is used to write data to a file? A. write() B. puts() C. print() D. <<() Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
7. What does the 'a+' file mode in Ruby signify? A. Opens a file for appending, creating it if it does not exist B. Opens a file for writing, creating it if it does not exist C. Opens a file for reading and writing, creating it if it does not exist D. Opens a file for reading and appending, creating it if it does not exist Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
8. Which method in Ruby is used to check if the end of a file has been reached? A. end_of_file() B. at_end() C. eof() D. file_end() Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
9. What does the File.exist? method in Ruby return if the specified file exists? A. 1 B. TRUE C. 0 D. 1 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
10. What does the 'r+' file mode in Ruby signify? A. Opens a file for appending, creating it if it does not exist B. Opens a file for writing, creating it if it does not exist C. Opens a file for reading and writing, creating it if it does not exist D. Opens a file for reading and appending, creating it if it does not exist Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
