a. packet writing
Packet writing is a technology that enables the writing of data to a recordable compact disk (CD-R) incrementally, in multiple small blocks of data, rather than in a single block (as in disk-at-once recording), or in blocks defined by tracks (as in track-at-once recording), the other two common methods. Packet writing software makes it possible for the user to save data to a CD-R or CD-RW in the same way as it would be saved to the hard drive or a floppy. Not all CD recorders support packet writing.
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