Browse Definitions by Alphabet

  • 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.
  • RRAM or ReRAM (resistive random access memory) - RRAM, also known as resistive random access memory or ReRAM, is a form of non-volatile 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 one of the earlier versions of the long-established standard RS-232, which defines a physical interface 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.
  • RSAT (Remote Server Administration Tools) - RSAT (Remote Server Administration Tools) refers to a set of tools from Microsoft that enable IT administrators to remotely manage roles and features in Windows Server from a computer that is running Windows 11, Windows 10 or Windows 7 Service Pack 1.
  • 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 an operating state on a Unix and Unix-based operating system that is preset on the Linux-based system.
  • runtime - Runtime is a piece of code that implements portions of a programming language's execution model.
  • What is a reactive systems architecture? - A computer systems paradigm that takes advantage of the responsiveness, flexibility and resiliency of reactive programming, so that various components can take continue to function and even thrive if any component is compromised.
  • What is a real-time operating system (RTOS)? - A real-time operating system (RTOS) is an OS that guarantees real-time applications a certain capability within a specified deadline.
  • What is a recommendation engine? - A recommendation engine is a system that gives customers recommendations based on their behavior patterns and similarities to people who might have shared preferences.
  • What is a records retention schedule? - A records retention schedule is a policy that defines how long paper and electronic content must be kept and provides disposal guidelines for how those items should be discarded.
  • What is a Request for Comments (RFC)? - A Request for Comments (RFC) is a formal document created by the Internet Engineering Task Force (IETF) that outlines technical specifications, organizational notes and standards relevant to internet and networking technologies, including protocols such as routing, addressing and transport technologies.
  • What is a request for proposal (RFP)? - A request for proposal (RFP) is a document an organization uses when it's searching for a product or service to meet specific requirements.
  • What is a restricted API? - A restricted API is an application program interface whose access, or use, is intentionally limited by web site developers for security purposes or business reasons.
  • What is AMD Ryzen? - AMD Ryzen is the brand name for Advanced Micro Devices' line of desktop and mobile processors.
  • What is ransomware? How it works and how to remove it - Ransomware is a type of malware that locks and encrypts a victim's data, files, devices or systems, rendering them inaccessible and unusable until the attacker receives a ransom payment.
  • What is React Native? - React Native is an open source JavaScript framework for mobile application development.
  • What is real-time business intelligence (RTBI)? - Real-time business intelligence (RTBI) combines data analytics and various data processing tools to enable access to the most relevant, up-to-the-minute data and visualizations.
  • What is Real-Time Transport Control Protocol (RTCP)? - Real-Time Transport Control Protocol (RTCP) is a network communication protocol that works alongside Real-Time Protocol (RTP) to monitor and track data delivery on large multicast networks via RTP's associated transmission metrics.
  • What is records management? - Records management is the supervision and administration of digital or paper records, regardless of format.
  • What is reinforcement learning? - Reinforcement learning (RL) is a machine learning training method that trains software to make certain desired actions.
  • What is relationship marketing? - Relationship marketing is a facet of customer relationship management (CRM) that focuses on customer loyalty and long-term customer engagement rather than shorter-term goals like customer acquisition and individual sales.
  • What is remote desktop protocol (RDP)? - Remote desktop protocol (RDP) is a secure network communications protocol developed by Microsoft.
  • What is REpresentational State Transfer (REST) - REST (REpresentational State Transfer) is an architectural style for developing web services and systems that can easily communicate with each other.
  • What is responsible AI? - Responsible AI is an approach to developing and deploying artificial intelligence (AI) from both an ethical and legal point of view.
  • What is risk management? Importance, benefits and guide - Risk management is the process of identifying, assessing and controlling threats to an organization's capital, earnings and operations.
  • What is risk mitigation? Strategies, plan and best practices - Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.
  • What is Robotics? - Robotics is a branch of engineering that involves the conception, design, manufacture and operation of robots.
  • What is ROI? How to calculate return on investment - Return on investment (ROI) is a crucial financial metric investors and businesses use to evaluate an investment's efficiency or compare the efficiencies of several different investments.
  • What is 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.
  • What is RPM Package Manager? - RPM Package Manager (RPM), originally called the Red Hat Package Manager, is an open source program for installing, uninstalling and managing software packages in Linux.
  • What is the risk-reward ratio? - The risk-reward ratio, also known as a risk-return ratio, is a mathematical calculation investors use to measure the expected gains of a given investment against the risk of loss.