Origin of excerpt. From Middle English excerpted from Latin excerptus past participle of excerpere to pick out ex-ex-carpere to pluck; see kerp-in Indo-European roots.
What is Degaussing. Degaussing is simply the act of erasing data from magnetic media. Sometimes it is referred to as sanitization.. It works by subjecting magnetic media to a strong magnetic field that removes data from data bearing surfaces. The magnetic field can be created either by powerful magnets or an electromagnetic discharge.
A digital watermark is a kind of marker covertly embedded in a noise-tolerant signal such as an audio, video or image data. It is typically used to identify ownership of the copyright of such signal. Watermarking is the process of hiding digital information in a carrier signal; the hidden information should, but does not need to, contain a relation to the carrier signal. Digital watermarks may be used to verify the authenticity or integrity of the carrier signal or to show the identity of its