The values that can be used when defining color in an XHTML document are hexadecimal, color name, and ________

What is wrong with the following code?

``` Dim intIndex As Integer For intIndex = 5 To 1 ListBox.Items.Add(intIndex.ToString) Next ``` a. The Next statement must read Next intIndex. b. A For Next loop cannot be used to count backward. c. intIndex is declared incorrectly for use with this type of loop. d. You need to specify a negative step value in order to execute this loop.

i) The only language a computer can directly understand is that computer’s ___________.

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