Glossary index

Technology, science and the universe

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Blockchain and Web3

reward token

A reward token is a digital asset granted as an incentive for participation or contribution to a network, especially in the context of blockchain and smart contracts. These tokens are fundamental for…

Artificial intelligence

Reweighting

Reweighting is a technique used in the field of machine learning and hyperparameter optimization that focuses on adjusting the importance of different samples within the training set. This adjustment…

Operating systems

Rewind

Rewind refers to the action of moving a file pointer back to the beginning of a file. This concept is fundamental in file manipulation, as it allows programs and scripts to access data from the…

Data and analytics

REWRITE

The process of 'rewriting' in the context of databases refers to the modification of queries or data with the aim of improving the performance or accuracy of the operations performed. This process…

DevOps and operations

Rex

Rex is a Perl-based task automation framework that allows users to efficiently manage and execute scripts. Its modular and extensible design facilitates the creation of scripts that can interact with…

Software development

Rexx

Rexx is a high-level programming language designed for ease of use and readability. Originally developed in the 1970s by Mike Cowlishaw at IBM, Rexx has become a versatile tool used across various…

Networking and telecommunications

Rfc

RFC, which stands for 'Request for Comments', is a series of publications that document standards, protocols, and technologies related to the Internet and computing. These publications are produced…

Hardware, electronics and robotics

RFID (Radio Frequency Identification)

RFID (Radio Frequency Identification) is a technology that uses radio waves to automatically identify and track tags attached to objects. These tags can contain information that is transmitted to an…

Hardware, electronics and robotics

RFID Reader

An RFID reader is a device that uses radio waves to read information stored in RFID tags. These tags can be passive, active, or semi-active, and contain a chip and an antenna that allow communication…

Hardware, electronics and robotics

RFID Sensor

An RFID (Radio Frequency Identification) sensor is a device that uses wireless communication technology to identify and track objects. This sensor consists of a transponder, which is a tag containing…

Hardware, electronics and robotics

RFID Wearable

Wearable RFID devices are portable devices that incorporate radio frequency identification (RFID) technology for tracking and identifying objects or people. These devices are typically designed to be…

Life sciences

RFLP

Restriction Fragment Length Polymorphism (RFLP) is a molecular technique used in bioinformatics and genetics that allows for the identification of variations in DNA sequences. This technique is based…

Life sciences

RFLP analysis

RFLP (Restriction Fragment Length Polymorphism) analysis is a molecular technique used to analyze variations in the length of DNA fragments resulting from digestion with restriction enzymes. This…

Operating systems

RFS

RFS, or Remote File System, is a file system that allows access to files on a remote server as if they were on the local system. This approach facilitates the management and sharing of data between…

Graphics, games and extended reality

RGB

RGB is an additive color model that uses the combination of red, green, and blue light to create a wide range of colors. In this model, colors are generated by overlapping these three lights at…

Graphics, games and extended reality

RGB Color Model

The RGB color model is a system that represents colors through the combination of three fundamental components: red, green, and blue. Each of these primary colors can be adjusted in intensity…

Graphics, games and extended reality

RGB Color Space

The RGB color space is a color model based on the combination of three primary colors: red, green, and blue. This system is widely used in computer graphics and the digital representation of images…

Graphics, games and extended reality

RGB LED

An RGB LED is a type of LED that can emit red, green, and blue light, allowing for a wide range of colors. This component consists of three light-emitting diodes in a single package, each emitting…

Operating systems

Rglob

Rglob is an advanced feature of some Unix-like shells that allows for recursive 'gobbing' to match files and directories in a file system. Unlike traditional globbing expressions, which only search…

Operating systems

RHEL-based

Based on RHEL refers to Linux distributions that are derived from Red Hat Enterprise Linux (RHEL), an open-source operating system known for its stability and long-term support. These distributions…

Operating systems

RHEL7

RHEL7, or Red Hat Enterprise Linux 7, is a Linux distribution developed by Red Hat, specifically designed for enterprise environments. This version, released in June 2014, is characterized by its…

Operating systems

RHEL8

RHEL8, or Red Hat Enterprise Linux 8, is a Linux distribution developed by Red Hat, designed to provide a robust and secure operating system for enterprise environments. This version focuses on…

Operating systems

RHEL9

RHEL9, or Red Hat Enterprise Linux 9, is the latest version of the Linux distribution developed by Red Hat, specifically designed for enterprise environments. This version is based on the robust…

Operating systems

RHEL Content Delivery Network

The RHEL Content Delivery Network (Red Hat Enterprise Linux) is a system designed to efficiently and quickly distribute software updates and packages to users of enterprise Linux distributions. This…