Computer Science Quiz - Grade XII

Which of the following is the correct mode to open a text file for reading?

• rb

• r

• w

• a

Which method is used to read the entire contents of a text file as a single string?

• readline()

• readlines()

• read()

• input()

What does the readline() function return?

• A list of lines

• One line at a time as a string

• The number of lines

• None of the above

Which method is used to write data to a text file?

• input()

• print()

• write()

• append()

What happens if a file is opened in 'w' mode and it already exists?

• It appends to the file

• It raises an error

• It deletes the contents of the file

• It does nothing

How do you close a file in Python?

• file.close()

• file.stop()

• file.end()

• close(file)

What does the 'a' mode do when opening a file?

• Opens for reading

• Opens for writing (overwrites)

• Opens for appending

• Opens for deleting

Which method reads all lines of a file into a list?

• read()

• readlines()

• readline()

• split()

What is the output of file.read(5) if the file contains 'Python is fun'?

• Python

• Pytho

• n is f

• Py is

To write multiple lines to a file, which method is suitable?

• write()

• readlines()

• writelines()

• input()