the data is read
1Data file — A data file is a computer file which stores data to use by a computer application or system. It generally does not refer to files that contain instructions or code to be executed (typically called program files), or to files which define the… …
2Read-copy-update — (RCU) is an operating system kernel technology for improving performance on computers with more than one CPU.More technically it is a synchronization mechanism which can sometimes be used as an alternative to a readers writer lock. It allows… …
3Read Only Memory — The notion of read only data can also refer to file system permissions. Read only memory (usually known by its acronym, ROM) is a class of storage media used in computers and other electronic devices. Because data stored in ROM cannot be modified …
4Data structure alignment — is the way data is arranged and accessed in computer memory. It consists of two separate but related issues: data alignment and data structure padding. When a modern computer reads from or writes to a memory address, it will do this in word sized …
5Data recovery — is the process of salvaging data from damaged, failed, corrupted, or inaccessible secondary storage media when it cannot be accessed normally. Often the data are being salvaged from storage media such as internal or external hard disk drives,… …
6Data General Nova — System Data General Nova 1200 front panel …
7Data-flow analysis — is a technique for gathering information about the possible set of values calculated at various points in a computer program. A program s control flow graph (CFG) is used to determine those parts of a program to which a particular value assigned… …
8Data warehouse — Overview In computing, a data warehouse (DW) is a database used for reporting and analysis. The data stored in the warehouse is uploaded from the operational systems. The data may pass through an operational data store for additional operations… …
9Data remanence — is the residual representation of data that remains even after attempts have been made to remove or erase the data. This residue may result from data being left intact by a nominal file deletion operation, by reformatting of storage media that… …
10Data security — is the means of ensuring that data is kept safe from corruption and that access to it is suitably controlled. Thus data security helps to ensure privacy. It also helps in protecting personal data. Data security is part of the larger practice of… …
