IT Glossary - ITU Online IT Training
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IT Glossary

Showing terms starting with Y (68 terms)

Yottabyte

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

Commonly used in General IT

YottaFLOP

A unit of computing performance equal to one septillion (10^24) floating-point operations per second.

Commonly used in General IT, High-Performance Computing

Yottalitre

A unit of volume equal to one septillion (10^24) liters.

Commonly used in General IT, Measurement Units

Yottawatt

A unit of power equal to one septillion (10^24) watts.

Commonly used in General IT, Power Measurement

YouTube

A popular video-sharing platform owned by Google.

Commonly used in Multimedia, Video Streaming

YouTube Channel

A dedicated page on YouTube where a user can upload videos, manage playlists, and interact with subscribers.

Commonly used in Multimedia, Content Creation

YouTuber

A person who creates and uploads videos to the YouTube platform.

Commonly used in Multimedia, Content Creation

YouTubing

The act of creating, uploading, and sharing videos on the YouTube platform.

Commonly used in Multimedia, Content Creation

Yttrium

A chemical element with symbol Y and atomic number 39. It is often used in various electronics applications.

Commonly used in Materials Science, Electronics

YubiHSM

A hardware security module by Yubico designed to protect encryption keys and perform cryptographic operations, offering a balance of security and convenience for securing digital assets.

Commonly used in Security/Cybersecurity

YubiKey

A hardware authentication device manufactured by Yubico. It is used for secure access to online services and two-factor authentication.

Commonly used in Security, Authentication

YUM

Yellowdog Updater, Modified. A package manager for RPM-compatible Linux distributions.

Commonly used in General IT, Linux System Administration

Yum Repository

A collection of RPM packages and metadata that can be accessed and installed using the YUM package manager.

Commonly used in General IT, Linux System Administration

YUV

A color encoding system typically used for digital video applications.

Commonly used in Multimedia, Video Encoding

YUV Color Space

A color space commonly used in video compression and image processing, representing brightness and two color difference components.

Commonly used in Multimedia, Video Encoding

YUV420

A chroma subsampling scheme used in video compression, where the chrominance channels are subsampled at half the horizontal and vertical resolution of the luminance channel.

Commonly used in Multimedia/Video Processing

YUV444

A chroma subsampling scheme with no subsampling, meaning the Y, U (Cb), and V (Cr) components have the same resolution.

Commonly used in Multimedia/Video Processing

YYS (Yield to Surrender)

In cybersecurity, a strategy or decision to yield certain controls or information under the pressure of a cyber-attack, often discussed in the context of ransomware or DDoS attacks.

Commonly used in Security/Cybersecurity