41.  On CDs, there is a spiral track with a pattern of pits in it that represents the ones and zeros of digital data.

42.  Other applications take digital data and turn it into analog outputs like music, video images or the sound of human voices.

43.  Others, obtained by manipulating digital data, emphasize different components of the body.

44.  Quantum dots trap electrical charges, producing lasers for transmitting digital data.

45.  Recordable CD drives, which can burn digital data onto inexpensive discs, have become standard issue for new computers sold by the most popular makers.

46.  Santa Clara, California-based Intel countersued, demanding Digital return technical data it had supplied.

47.  Similar to music compact disks, CD-ROMs can store large quantities of digital data, including text, sound and motion pictures.

48.  Software developed in recent years transforms the text sequences of DNA into digital data that a computer can read and play.

49.  Since the carrier controls the hardware and adopts the specifications, users cannot easily duplicate digital data that is distributed to cellular terminals.

50.  TCI will also distribute to its markets new compression software that can compress digital signals from satellites into digital data bits.