An informal animated graphic used to greet and get the attention of an online contact is called a:

In Excel, ________ are lines added to the top, bottom, or either side of cells to create groups or to add meaning

A) characters B) borders C) gridlines D) pixels

An array that you can picture as a column of values, and whose elements you can access using a single subscript, is what type of array?

A. two-dimensional B. jagged C. rectangular D. single-dimensional