A telephone microphone converts analog sound into electrical waveforms that cycle 2400 times a second. Each cycle is a(n) _______________.

_________ addresses are sometimes called electronic serial numbers or hardware addresses.

A. HTTP B. IP C. DHCP D. MAC

In the Summary for Selection pane of the CSS Styles panel, in what order are the properties for all rules that affect the formatting of the selected element listed?

A. In alphabetical order B. In the order in which they were created C. In hierarchical order D. any of the above, as you can select the ordering