random device

Mira otros diccionarios:

• Random self-reducibility — (RSR): A good algorithm for the average case implies a good algorithm for the worst case. RSR is the ability to solve all instances of a problem by solving a large fraction of the instances.DefinitionIf a function f evaluating any instance x can… …   Wikipedia

• Random (disambiguation) — Random can refer to: * Randomness, the property of lacking any sort of order cience and technology* Random number * Random variable * Statistical randomness * /dev/random, a Unix device file * See also Places* Random Lake, Wisconsin * Random… …   Wikipedia

• Random Access Channel — (RACH) is used in mobile phones or other wireless device on a TDMA based network when it needs to get the attention of a base station in order to initially synchronize its transmission with the base station.Random Access Channel is a shared… …   Wikipedia

• Device file — In Unix like operating systems, a device file or special file is an interface for a device driver that appears in a file system as if it were an ordinary file. There are also special device files in MS DOS and Microsoft Windows. They allow… …   Wikipedia

• Device file system — In Unix like operating systems, a device file system or special file system allows software to interact with a device driver using standard input/output system calls, which simplifies many tasks.It includes device files , device nodes , or device …   Wikipedia

• Random number generation — A random number generator (often abbreviated as RNG) is a computational or physical device designed to generate a sequence of numbers or symbols that lack any pattern, i.e. appear random. Computer based systems for random number generation are… …   Wikipedia

• Random variable — A random variable is a rigorously defined mathematical entity used mainly to describe chance and probability in a mathematical way. The structure of random variables was developed and formalized to simplify the analysis of games of chance,… …   Wikipedia

• Random number generator attack — The security of cryptographic systems depends on some secret data that is known to authorized persons but unknown and unpredictable to others. To achieve this unpredictability, some randomization is typically employed. Modern cryptographic… …   Wikipedia

• Random password generator — A random password generator is software program or hardware device that takes input from a random or pseudo random number generator and automatically generates a password. Random passwords can be generated manually, using simple sources of… …   Wikipedia

• Random-access memory — RAM redirects here. For other uses of the word, see Ram (disambiguation). Example of writable volatile random access memory: Synchronous Dynamic RAM modules, primarily used as main memory in personal computers, workstations, and servers …   Wikipedia

• random access —    Describes the ability of a storage device to go directly to the required memory address without needing to read from the beginning every time data is requested.    In a random access device, the information can be read directly by accessing… …   Dictionary of networking