Browse Definitions by Alphabet

RGB - WHA

RGB (red, green and blue) - RGB (red, green and blue) refers to a system representing the colors used on a digital display screen.
RHIA (Registered Health Information Administrator) - An RHIA, or registered health information administrator, is a certified professional who oversees the creation and use of patient health information, including analyzing that data.
Rich Internet Application (RIA) - A rich Internet application (RIA) is a Web application designed to deliver the same features and functions normally associated with deskop applications.
rich presence technology (RPT) - Rich presence is an enhanced form of presence awareness in which participants can determine if other users are online and if so, observe to a limited extent what they are doing and how they are doing it.
Rich Text Format (RTF) - Rich Text Format (RTF) is a file format that lets you exchange text files between different word processors in different operating systems.
RickRoll - On the Internet, a RickRoll is a prank where a visitor who clicks on a specific link is intentionally misdirected to a video of pop star Rick Astley's hit "Never Gonna Give You Up.
Rijndael - Rijndael (pronounced rain-dahl) is an Advanced Encryption Standard (AES) algorithm.
RIOT operating system - RIOT operating system is an open source operating system specialized for IoT (internet of things) devices.
ripping (digital extraction) - Ripping, more formally known as digital extraction, is the process of copying audio or video content from a compact disc, DVD or streaming media onto a computer hard drive.
RISC (reduced instruction set computer) - RISC (reduced instruction set computer) is a microprocessor that is designed to perform a smaller number of types of computer instructions so that it can operate at a higher speed (perform more millions of instructions per second, or MIPS).
risk assessment - Risk assessment is the identification of hazards that could negatively impact an organization's ability to conduct business.
risk assessment framework (RAF) - A risk assessment framework (RAF) is a strategy for prioritizing and sharing information about the security risks to an information technology (IT) infrastructure.
risk avoidance - Risk avoidance is the elimination of hazards, activities and exposures that can negatively affect an organization and its assets.
risk exposure - Risk exposure is the quantified potential loss from business activities currently underway or planned.
risk intelligence (RQ) - Risk intelligence (RQ) is a term used to describe predictions made around uncertainties and future threat probabilities.
Risk Management Framework (RMF) - The Risk Management Framework (RMF) is a template and guideline used by companies to identify, eliminate and minimize risks.
risk management specialist - A risk management specialist is a role appointed within organizations to identify potential risks that might negatively affect the business.
risk map (risk heat map) - A risk map (risk heat map) is a data visualization tool for communicating specific risks an organization faces.
risk profile - A risk profile is a quantitative analysis of the types of threats an organization, asset, project or individual faces.
risk reporting - Risk reporting is a method of identifying risks tied to or potentially impacting an organization's business processes.
risk-based authentication (RBA) - Risk-based authentication (RBA) is a method of applying varying levels of stringency to authentication processes based on the likelihood that access to a given system could result in its being compromised.
risk-reward ratio - The risk-reward ratio is a mathematical calculation used by investors to measure the expected gains of a given investment against the risk of loss.
RMM software (remote monitoring and management software) - RMM software (remote monitoring and management software) is a type of application that information technology (IT) service providers use to maintain their clients' IT infrastructure and systems.
RMON (Remote Network Monitoring) - RMON (Remote Network Monitoring) provides standard information that a network administrator can use to monitor, analyze, and troubleshoot a group of distributed local area networks (LANs) and interconnecting T-1/E-1 and T-2/E-3 lines from a central site.
ROADM (reconfigurable optical add-drop multiplexer) - An ROADM (reconfigurable optical add-drop multiplexer) is a device that can add, block, pass or redirect modulated infrared (IR) and visible light beams of various wavelengths in a fiber optic network.
Robert Metcalfe - Robert 'Bob' Melancton Metcalfe, born April 7, 1946, is an American engineer, entrepreneur, professor, writer and venture capitalist.
robo-advisor - A robo-advisor is an artificial intelligence (AI) driven virtual financial advisor.
robocall - A robocall is a telephone call initiated by an autodialer to deliver a prerecorded message.
robot - A robot is a machine designed to execute one or more tasks automatically with speed and precision.
robot economy - The robot economy is a scenario in which most of the labor required to sustain human life is automated.
robotic personality - Robotic personality is an advanced aspect of artificial intelligence (AI) in which smart machines display idiosyncratic human behavior.
robotic process automation (RPA) - Robotic process automation (RPA) is a technology that mimics the way humans interact with software to perform high-volume, repeatable tasks.
robotic surgery (robot-assisted surgery) - Robotic surgery is the use of computer technologies working in conjunction with robot systems to perform medical procedures.
robotics - Robotics is a branch of engineering that involves the conception, design, manufacture and operation of robots.
RODC (read-only domain controller) - A read-only domain controller (RODC) is a domain controller that hosts an Active Directory database's read-only partitions.
rogue IT - Rogue IT is the use of unsanctioned information technology resources within an organization.
ROI (return on investment) - Return on investment, or ROI, is a mathematical formula that investors can use to evaluate their investments and judge how well a particular investment has performed compared to others.
role mining - Role mining is the process of analyzing user-to-resource mapping data to determine or modify user permissions for role-based access control (RBAC) in an enterprise.
role-based access control (RBAC) - Role-based access control (RBAC) is a method of restricting network access based on the roles of individual users within an enterprise.
role-playing game (RPG) - A role-playing game (RPG) is a game in which each participant assumes the role of a character, generally in a fantasy or science fiction setting, that can interact within the game's imaginary world.
rolling code - Rolling code, also known as hopping code, is an encryption technique commonly used to provide a fresh code for each use of a passive keyless entry (PKE) system.
rolling deployment - A rolling deployment is the installation of software updates on one server or server subset at a time, rather than updating all servers or server subsets at the same time.
rolling forecast - A rolling forecast is a business projection that adapts for the passage of time.
room-scale virtual reality (VR) - Room-scale (or roomscale) virtual reality (VR) is the use of clear space to allow movement for someone using a VR application such as a VR game.
root cause analysis - Root cause analysis (RCA) is a method for understanding the underlying cause of an observed or experienced incident.
rootkit - A rootkit is a program or a collection of malicious software tools that give a threat actor remote access to and control over a computer or other system.
Roots of Trust (RoT) - Roots of Trust (RoT) is a set of functions in the trusted computing module that are always trusted by the computer’s operating system (OS).
ROT (redundant, outdated, trivial information) - ROT (redundant, obsolete or trivial) is digital documentation that an organization continues to retain even though the information that is documented has no business or legal value.
round robin - A round robin is an arrangement of choosing all elements in a group equally in some rational order, usually from the top to the bottom of a list and then starting again at the top of the list and so on.
rounding error - Rounding error is the difference between a rounded-off numerical value and the actual value.
route summarization (route aggregation) - Route summarization -- also known as route aggregation -- is a method to minimize the number of routing tables in an Internet Protocol (IP) network.
router - A router is a physical or virtual appliance that passes information between two or more packet-switched computer networks.
Routing Information Protocol (RIP) - Routing Information Protocol (RIP) is a distance vector protocol that uses hop count as its primary metric.
routing table - A routing table is a set of rules, often viewed in table format, that's used to determine where data packets traveling over an Internet Protocol (IP) network will be directed.
RPC over HTTP - Remote Procedure Call over HTTP (RPC over HTTP) is a Microsoft protocol that enables Microsoft Outlook clients to access Microsoft Exchange servers over HTTP.
RPM Package Manager (Red-hat Package Manager) - RPM Package Manager (RPM), originally called the Red-hat Package Manager, is a program for installing, uninstalling, and managing software packages in Linux.
RRAM or ReRAM (resistive RAM) - RRAM or ReRAM (resistive random access memory) is a form of nonvolatile storage that operates by changing the resistance of a specially formulated solid dielectric material.
RS Means - RS Means is a division of Reed Business Information that provides cost information to the construction industry so contractors in the industry can provide accurate estimates and projections for their project costs.
RS-232C - RS-232C is a long-established standard ("C" is the current version) that describes the physical interface and protocol for relatively low-speed serial data communication between computers and related devices.
RSA algorithm (Rivest-Shamir-Adleman) - The RSA algorithm (Rivest-Shamir-Adleman) is the basis of a cryptosystem -- a suite of cryptographic algorithms that are used for specific security services or purposes -- which enables public key encryption and is widely used to secure sensitive data, particularly when it is being sent over an insecure network, such as the internet.
RSA Security - RSA Security is a United States-based organization that creates encryption, network and computer security products.
RSAT (Microsoft Remote Server Administration Tools) - RSAT (Remote Server Administration Tools) is a feature that began in Windows Server 2008 R2 to help admins remotely manage computers running Windows Server.
RSoP (Resultant Set of Policy) - RSoP (Resultant Set of Policy) is a report of all Group Policy settings within Active Directory that shows how those settings can affect a network.
rsync - Rsync is a free software utility for Unix- and Linux-like systems that copies files and directories from one host to another.
Ruby - Ruby is an open source, interpreted, object-oriented programming language created by Yukihiro Matsumoto, who chose the gemstone's name to suggest "a jewel of a language.
Ruby on Rails (RoR or Rails) - Ruby on Rails is an open-source framework for database-backed web development in Ruby, an object-oriented programming language similar to Perl and Python.
rule of five (statistics) - The rule of five is a rule of thumb in statistics that estimates the median of a population by choosing a random sample of five from that population.
runbook - Runbooks are a set of standardized written procedures for completing repetitive IT processes within a company.
runlevel - A runlevel is a Linux operating state that determines which programs can execute when the operating system restarts.
runtime - Runtime is a piece of code that implements portions of a programming language's execution model.
runtime system - A runtime system is an engine that translates a given programming language or languages into machine code.
Ryzen (AMD Ryzen) - Ryzen (pronounced RYE zen) is an AMD CPU aimed at the server, desktop, workstation, media center PC and all-in-one markets.
What is risk analysis? - Risk analysis is the process of identifying and analyzing potential issues that could negatively impact key business initiatives or projects.
What is risk appetite? - Risk appetite is the amount of risk an organization is willing to take in pursuit of objectives it deems have value.
What is risk management and why is it important? - Risk management is the process of identifying, assessing and controlling threats to an organization's capital and earnings.
What is risk mitigation? - Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.

RED - RFX