OSTA recently announced its adoption of the Universal Disk Format
(UDF), primarily for CD-Recordable optical media.
Besides its well-known encyclopedia, Compton's publishes numerous reference, business information, education and entertainment titles in electronic formats, principally the CD-ROM compact disk format
that incorporates text, graphics, audio and video.
016405) is available for $495, in either 5 1/4" or 3 1/2" disk format
. A network version also is available for $695 for 2 to 10 users (product no.
It is available in both 5 1/4" and 3 1/2" disk format
and requires approximately 1.5 megabytes of disk storage and 640K RAM memory.
The Super Audio CD (SACD) is an optical disk format
jointly developed by Sony and Philips Electronics N.V.
In some cases, utilities can recover a file even after an accidental hard disk format
, which is a programming step that first clears the hard disk's magnetic surface and then prepares it to receive new data.