The input to an analog-to-digital converter (ADC) consists of a voltage that varies among a theoretically infinite number of values. Examples are sine waves, the waveforms representing human speech, and the signals from a conventional television camera. The output of the ADC, in contrast, has defined levels or states. The number of states is almost always a power of two -- that is, 2, 4, 8, 16, etc.
Demerit points The Demerit Points Scheme is a national program that allocates penalty points (demerits) for a range of driving offences. The scheme is designed to encourage safe and responsible driving. Along with financial penalties, demerit points provide a strong incentive to drive within the law.
ChoicePoint, a corporation based near Atlanta, Georgia, USA, which claims to be the nation's leading supplier of identification and credential verification services, is the company whose DBT subsidiary spoiled the electoral roll in Florida enabling George W. Bush to win the 2000 presidential election.