побитовая копия(The most important consideration for a forensic auditor is to make a bit-stream image of the target drive and examine that image without altering date stamps or toher information attributable to the examined files. Banzaaai)
поток бит(A series of binary digits representing a flow of information transferred through a given medium; In synchronous communications, a continuous flow of data in which characters in the stream are separated from one another by the receiving station rather than by markers, such as start and stop bits, inserted into the data)