At least zero is better than NULL.

Try another General Quiz:

• GeneralEasy
  The first day of the year is a good day to do what?
• GeneralHard
  What aspect of an image is white balance used to calibrate?

Other Medium Quizzes:

• InternetMedium
  What protocol is designed for transferring files?
• HardwareMedium
  PDAs have been largely replaced by what devices?
• SoftwareMedium
  What is Visual Basic?