Definīcija:A component that saves disk space on the server by maintaining a single physical copy of all identical files found. If SIS finds a duplicate file on the server, it copies the original file into the SIS store and leaves a link where the original resided. This technology is used only with Remote Installation Services.
Definīcija:An information system used by educational establishments to contain and manage student data, including registration information, grading, scheduling, transcripts, attendance, and any other student data that an educational establishment may need to manage.