The smallest element used in the composition of an image is called a(n):

Web page designers can use tab ____________________ numbers in their forms without worrying about older browsers that do not support this new standard.

Fill in the blank(s) with the appropriate word(s).

?The US-CERT incident reporting system is used to ____.

A. ?alert the bank about stolen credit cards B. alert the government about missing computers C. alert the Border Patrol about undocumented workers D. ?alert the Department of Homeland Security about information security incidents