At least zero is better than NULL.

Try another General Quiz:

• GeneralEasy
  What is a text file that contains a record of events called?
• GeneralMedium
  Which component is also known as the building block of an electrical circuit?

Other Hard Quizzes:

• InternetHard
  What is a file that contains a list of DNS records called?
• HardwareHard
  Which electronic device is most similar to a surge protector?
• SoftwareHard
  In what year was the first version of Unix released?