Before you can write JavaScript code that affects the style of a Web page, you must first identify the HTML element that must be modified.

In Access queries, you can use aggregate functions to perform a calculation on a ________ and return a ________

A) column of data, column of data B) single value, single value C) single value, column of data D) column of data, single value

Answer the following statements true (T) or false (F)

1. Magnetic disks are the foundation of external memory on virtually all computer systems. 2. During a read or write operation, the head rotates while the platter beneath it stays stationary. 3. The width of a track is double that of the head. 4. There are typically hundreds of sectors per track and they may be either fixed or variable lengths. 5. A bit near the center of a rotating disk travels past a fixed point slower than a bit on the outside.