discarded data

См. также в других словарях:

• Data Encryption Standard — The Feistel function (F function) of DES General Designers IBM First publis …   Wikipedia

• Data conversion — is the conversion of computer data from one format to another. Throughout a computer environment, data is encoded in a variety of ways. For example, computer hardware is built on the basis of certain standards, which requires that data contains,… …   Wikipedia

• Data Validation and Reconciliation — Industrial process data validation and reconciliation or short data validation and reconciliation (DVR) is a technology which is using process information and mathematical methods in order to automatically correct measurements in industrial… …   Wikipedia

• data compression — Process of reducing the amount of data needed for storage or transmission of a given piece of information (text, graphics, video, sound, etc.), typically by use of encoding techniques. Data compression is characterized as either lossy or lossless …   Universalium

• Watermark (data file) — A watermark stored in a data file refers to a method for ensuring data integrity which combines aspects of data hashing and digital watermarking. Both are useful for tamper detection, however each has advantages and disadvantages. Data hashing A… …   Wikipedia

• Lossless data compression — is a class of data compression algorithms that allows the exact original data to be reconstructed from the compressed data. The term lossless is in contrast to lossy data compression, which only allows an approximation of the original data to be… …   Wikipedia

• Testing hypotheses suggested by the data — In statistics, hypotheses suggested by the data must be tested differently from hypotheses formed independently of the data.How to do it wrongFor example, suppose fifty different researchers, unaware of each other s work, run clinical trials to… …   Wikipedia

• Linear Data Set — An Linear Data Set (LDS) is a type of data set used by the VSAM computer data storage system. A Linear Data Set contains data that can be accessed as byte addressable strings in virtual storage. The LDS is composed of VSAM Control Intervals (CI… …   Wikipedia

• Compressed data structure — The term compressed data structure arises in the computer science subfields of algorithms, data structures, and theoretical computer science. It refers to a data structure whose operations are roughly as fast as those of a conventional data… …   Wikipedia

• Rollback (data management) — In database technologies, a rollback is an operation which returns the database to some previous state. Rollbacks are important for database integrity, because they mean that the database can be restored to a clean copy even after erroneous… …   Wikipedia

• Information diving — is the practice of recovering technical data, sometimes confidential or secret, from discarded material. In recent times, this has chiefly been from data storage elements in discarded computers, most notably recoverable data remaining on hard… …   Wikipedia