IT Glossary - Y - ITU Online

IT Glossary
Key Terms To Know In The IT Industry

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Y-Cable

A type of cable that splits a signal into two or combines two signals into one.

You will find this term commonly used in Hardware, Connectivity

Y-Combinator

A startup accelerator and venture capital firm based in Silicon Valley.

You will find this term commonly used in Entrepreneurship, Startup Ecosystem

Y-Cruncher

A multi-threaded program capable of computing various mathematical constants.

You will find this term commonly used in Mathematics, Computation

Y-Intercept

In mathematics and data analysis, the y-intercept is the point where the graph of a function intersects the y-axis.

You will find this term commonly used in Mathematics, Data Analysis

Y-Strainer

A type of filter used to remove solid particles from flowing liquids or gases.

You will find this term commonly used in Engineering, Fluid Mechanics

Y2K

Year 2000 problem, also known as the Millennium Bug. Refers to the computer-related issues caused by the transition from the 20th century to the 21st century.

You will find this term commonly used in General IT

Y2K Bug

The Year 2000 problem, a computing issue related to the rollover from 1999 to 2000 in computer systems' date representations.

You will find this term commonly used in General IT, Software Engineering

Y2K Compliance

Refers to the readiness of computer systems to correctly handle dates beyond the year 2000.

You will find this term commonly used in General IT

YACC

Yet Another Compiler Compiler. A tool used for generating parsers and lexical analyzers.

You will find this term commonly used in Software Development, Compilers

Yacc Grammar

A set of rules defining the syntax of a programming language or other formal language, written in a format suitable for processing by a Yacc parser.

You will find this term commonly used in Software Development, Compilers

Yacc Parser

A type of parser generator that generates code for syntax analyzers.

You will find this term commonly used in Software Development, Compilers

Yagi

A type of antenna design commonly used in telecommunications and broadcasting.

You will find this term commonly used in Networking, Wireless Communication

Yagi-Uda

A type of directional antenna used in wireless communications.

You will find this term commonly used in Networking, Wireless Communication

Yagi-Uda Antenna

A type of directional antenna commonly used in radio communications and television reception.

You will find this term commonly used in Networking, Wireless Communication

YAGNI

You Ain't Gonna Need It. A principle in software development advocating against adding functionality until it is necessary.

You will find this term commonly used in Software Development, Agile Methodology

YAML

YAML Ain't Markup Language. A human-readable data serialization standard.

You will find this term commonly used in General IT

YAML (YAML Ain't Markup Language)

A human-readable data serialization format that is commonly used for configuration files and data exchange.

You will find this term commonly used in General IT

YAML Ain't Markup Language

A human-readable data serialization standard that is commonly used for configuration files.

You will find this term commonly used in General IT, Configuration Management

YAML Pipeline

In continuous integration and deployment (CI/CD), a YAML file that defines the steps and conditions for automation workflows.

You will find this term commonly used in Software Development/DevOps

YandexDisk

A cloud storage service offered by Yandex, providing online storage solutions for personal and professional use.

You will find this term commonly used in Cloud Computing

YANG

Yet Another Next Generation. A data modeling language used to describe configuration and state data manipulated by the NETCONF protocol.

You will find this term commonly used in Networking, Network Management

YANG Data Model

A modeling language used to model configuration and state data manipulated by the Network Configuration Protocol (NETCONF), YANG is a key technology in network management.

You will find this term commonly used in Networking/Network Configuration

Yank

In computing, the act of removing or copying data from a computer system.

You will find this term commonly used in General IT

Yank Data

The process of extracting or moving data from one location to another, often within a database or between different systems.

You will find this term commonly used in Data Management, Database Administration

YARN

Yet Another Resource Negotiator. Apache Hadoop's resource management layer.

You will find this term commonly used in Big Data, Distributed Systems

YARN (Yet Another Resource Negotiator)

A resource management and job scheduling system for managing distributed data processing workloads.

You will find this term commonly used in General IT, Big Data

YARN ApplicationMaster

A framework-specific library in Apache Hadoop YARN that negotiates resources from the ResourceManager and works with the NodeManager(s) to execute and monitor the tasks.

You will find this term commonly used in Big Data/Cloud Computing

YARN ResourceManager

The central component of Apache Hadoop YARN, responsible for allocating resources and scheduling applications' containers.

You will find this term commonly used in Big Data, Distributed Systems

Yarn Spinner

A tool used in game development for writing and managing branching narrative scripts.

You will find this term commonly used in Game Development, Narrative Design

YAWL

Yet Another Workflow Language. A language for specifying workflows.

You will find this term commonly used in General IT, Workflow Management

YAWL (Yet Another Workflow Language)

A language for specifying and executing workflows in business process management systems, providing a standardized way to model and automate business processes.

You will find this term commonly used in Business Process Management, Software Development

YCbCr

A color space used in video compression and HDMI transmission, representing the difference between the RGB components and the brightness levels.

You will find this term commonly used in Multimedia/Video Processing

YCombinator Algorithm

Not to be confused with the startup accelerator, a recursive algorithm technique used in functional programming to implement recursion without using named recursive functions.

You will find this term commonly used in Software Development/Programming

Yellow Pages

An online directory service that lists contact information for individuals and businesses.

You will find this term commonly used in Internet, Directory Services

Yield

In programming, the yield keyword is used to pause and resume the execution of a generator function.

You will find this term commonly used in Software Development, Programming Languages

Yield Curve

A graphical representation of the relationship between the interest rates and the time to maturity of debt securities.

You will find this term commonly used in Finance, Economics

Yield Farming

In decentralized finance (DeFi), the practice of lending or staking cryptocurrency to generate high returns or rewards in the form of additional cryptocurrency.

You will find this term commonly used in IT in Finance/Cryptocurrency

YIQ

A color space used by the NTSC color TV system, involving luminance (Y) and chrominance (I and Q) components.

You will find this term commonly used in Multimedia/Video Processing

YMODEM

A file transfer protocol used to send binary files over serial connections.

You will find this term commonly used in Networking, Data Transmission

YMODEM Batch

A version of the YMODEM file transfer protocol that supports batch file transfers.

You will find this term commonly used in Networking, Data Transmission

YMODEM Protocol

A file transfer protocol that allows the transmission of binary files over serial connections with error checking and correction capabilities.

You will find this term commonly used in Networking, Data Transmission

Yobibyte

A unit of digital information storage equal to 2^80 bytes.

You will find this term commonly used in General IT, Data Storage

Yocto

Yocto Project is an open-source collaboration project that provides templates, tools, and methods to help create custom Linux-based systems for embedded products.

You will find this term commonly used in General IT, Embedded Systems

Yocto Project

An open-source collaboration project that provides templates, tools, and methods for creating custom Linux-based systems for embedded devices.

You will find this term commonly used in General IT, Embedded Systems

YoctoLinux

A Linux distribution that is part of the Yocto Project, aimed at creating custom Linux-based systems for embedded products.

You will find this term commonly used in Operating Systems/Embedded Systems

Yoctometer

A unit of length equal to one septillionth (10^-24) of a meter.

You will find this term commonly used in General IT, Measurement Units

Yoctosecond

A unit of time equal to one trillionth of a second.

You will find this term commonly used in General IT, Time Measurement

Yoctowatt

A unit of power equal to one septillionth (10^-24) of a watt.

You will find this term commonly used in General IT, Power Measurement

Yoke

A mechanical component used to connect and transmit force between two parts of a machine or system.

You will find this term commonly used in Engineering, Mechanical Design

Yotta

A prefix in the metric system denoting a factor of 10^24.

You will find this term commonly used in General IT

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