The null character is represented by

o
E. None of the above

The correct answer is: B. \0

The null character is a special character with the ASCII code 0. It is often used to indicate the end of a string or to pad data. It is also used in some programming languages to represent the null pointer.

The other options are incorrect because they represent different characters.

  • Option A, \n, represents the newline character.
  • Option C, \o, represents the octal number 8.
  • Option D, \r, represents the carriage return character.
  • Option E, None of the above, is incorrect because one of the options is correct.