The distinction between analog and digital signals is very simple, but it can still be a challenge to wrap one's mind around the concepts that define the two systems. Just when you think you've got it ...

Analog computers, computing systems that represent data as continuous physical quantities, such as voltage, frequency or ...

Exactly how the bill’s sponsor, Rep. F. James Sensenbrenner and cosponsor, Rep. John Conyers, Jr., think a secret technology that is untested by experts, and will add cost, probably break other ...