11.   Both Matsushita and MCA are participating in a project to bring digital video disks -- essentially a CD for movies -- to consumers.

12.   -- The first prototypes of Japanese digital video disk systems, based on competing standards backed separately by Sony and Pioneer, will be demonstrated this year.

13.   A spokesman for the partnership emphasized the work that remains to be done before this digital video disk can be offered to consumers.

14.   Also, the new digital video disks due out this fall will no doubt be used to store video scenery and karaoke music.

15.   But all is not well with DVD, which stands for digital video disk or digital versatile disk, depending on who is doing the talking.

16.   But no product had as much input from the entertainment and computer industries as the digital video disk.

17.   But Pioneer is trying to compensate by entering new businesses, including digital video disk players, car navigation systems, cable modems and digital satellite television receivers.

18.   But the digital video disk is coming, and like the music CD, it should change the face of consumer electronics.

19.   But storage capacity, which is a major asset of digital disk, is actually much larger on digital tape.

20.   By next year digital video disks may be in use both for movies and with personal computers.