At least zero is better than NULL.

Try another Software Quiz:

• SoftwareEasy
  Software that monitors activity on your computer is called what?
• SoftwareMedium
  What type of text contains links to other pages or documents?

Other Hard Quizzes:

• InternetHard
  Ajax combines JavaScript and what other technology?
• HardwareHard
  What type of images does a plotter print?
• GeneralHard
  What type of computer component might have a ZIF socket?