Glossary index

Technology, science and the universe

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Mathematics and statistics

Estimation Method

The estimation method is a systematic procedure used to derive estimates of population parameters from sample data. This approach is fundamental in applied statistics, as it allows for inferring…

Software development

Estimation Techniques

Estimation techniques in Scrum are methods used to assess the effort required to complete tasks within an agile project. These techniques are fundamental for planning and managing team work, as they…

Mathematics and statistics

Estimation Theory

Estimation Theory is a fundamental branch of statistics that focuses on estimating parameters of a statistical model from observational data. Its main objective is to provide methods and techniques…

Mathematics and statistics

Estimation Variance

Estimation variance is a statistical measure that reflects the variability of an estimator concerning its expected value. In simpler terms, it indicates how much an estimator of a population…

Mathematics and statistics

Estimator

An estimator is a rule or formula that provides an estimate of a population parameter based on sample data. In the field of data science and statistics, estimators are fundamental for inferring…

Cloud and infrastructure

ESXi

ESXi is a hypervisor developed by VMware that enables the creation and management of virtual machines in a virtualization environment. This software is installed directly on the server hardware…

Data and analytics

Etag

The ETag, or 'Entity Tag', is a unique identifier assigned by the server to a specific version of a resource in the context of HTTP/HTTPS communications. Its main function is to enable efficient…

Operating systems

Etc

The '/etc' directory is a fundamental part of Unix and Linux-based operating systems, housing essential configuration files for the system and applications. This directory contains a variety of files…

Cloud and infrastructure

Etcd

Etcd is a distributed key-value store primarily used for storing configuration and state data in container orchestration systems, such as Kubernetes and other distributed systems. Its design is based…

Data and analytics

Etcher

Etcher is a cross-platform tool designed to create bootable USB drives easily and efficiently. Its intuitive interface allows users to select a disk image, such as an ISO or IMG file, and write it to…

Physical and Earth sciences

Ethanol

Ethanol is a renewable fuel produced from various plant materials, such as sugarcane, corn, and other sugar-rich crops. This alcohol, chemically known as ethanol or ethyl alcohol, has become a viable…

Engineering and transportation

Ethanol Hybrid

An ethanol hybrid is a type of vehicle that combines an internal combustion engine that uses gasoline with a system that allows the use of ethanol as an alternative fuel. This type of vehicle is…

Blockchain and Web3

Ether

Ether is the native cryptocurrency of the Ethereum platform, designed to facilitate transactions and the functioning of smart contracts on its network. Unlike other cryptocurrencies, Ether is not…

Networking and telecommunications

EtherChannel

EtherChannel is a technology developed by Cisco that allows multiple Ethernet links to be grouped into a single logical link. This link aggregation provides increased bandwidth capacity and…

Graphics, games and extended reality

Ethereal

The 'Ethereal' visual style is characterized by its lightness and ability to evoke a dreamlike sensation. This effect is achieved through the use of soft colors, delicate textures, and diffuse…

Networking and telecommunications

Ethereal (networking)

Ethereal is a network protocol analyzer that allows users to capture and interactively navigate through the data traffic circulating through a network. This tool is fundamental for network…

Blockchain and Web3

Ethereum

Ethereum is a decentralized platform that enables the creation and execution of smart contracts and decentralized applications (DApps) without downtime, fraud, control, or interference from a third…

Blockchain and Web3

Ethereum 2.0

Ethereum 2.0, also known as ETH 2 or Serenity, is the next major version of the Ethereum blockchain platform. Its primary goal is to improve scalability, security, and sustainability of the network…

Blockchain and Web3

Ethereum Address

The Ethereum address is a unique identifier that represents a destination for sending or receiving Ether and tokens on the Ethereum network. Each address consists of 42 hexadecimal characters…

Blockchain and Web3

Ethereum Bridge

The Ethereum Bridge is a technological infrastructure that facilitates the transfer of assets between the Ethereum blockchain and other blockchains. This connection is crucial in the cryptocurrency…

Blockchain and Web3

Ethereum Classic

Ethereum Classic is a version of the Ethereum blockchain that emerged as a result of a hard fork in 2016. This event occurred after a significant hack that compromised the investment fund known as…

Blockchain and Web3

Ethereum Community

The Ethereum community is a vibrant ecosystem made up of developers, users, enthusiasts, and companies that contribute to the growth and evolution of the Ethereum platform. This diverse group is…

Blockchain and Web3

Ethereum Decentralized Finance

Ethereum's Decentralized Finance (DeFi) represents an ecosystem of financial services that operate on the Ethereum blockchain, allowing users to conduct transactions directly between peers without…

Blockchain and Web3

Ethereum Development

The development of Ethereum refers to the process of creating and improving applications and protocols on the Ethereum blockchain, a decentralized platform that facilitates the execution of smart…