Airflow is an open-source platform for authoring, scheduling and monitoring batch workflows as Python-defined DAGs, widely used for data pipeline automation.
ALAC, the Apple Lossless Audio Codec, compresses digital audio to roughly half its size while restoring every original sample bit for bit…
An algorithmic stablecoin tries to hold a steady price through supply rules and market incentives instead of fully backing each token with…
Alignment in design is the placement of elements along shared edges, centers or lines, creating visual order and showing which elements belong…
An alpha version is an early, incomplete software release used for internal or limited testing before features are frozen and beta testing…
Alt text is the short text alternative for an image in HTML, read aloud by screen readers and shown when the image…
Amazon Ads is the advertising platform of Amazon that lets sellers and brands promote products in search results, product pages and beyond.
Amazon Alexa is the cloud-based voice assistant behind Echo devices that answers questions, plays media and controls smart home devices by voice.
Amazon SEO is the optimization of product listings to rank higher in Amazon search results, combining keyword relevance with sales performance.
Ambisonics is a spatial audio format that captures a full sphere of sound as spherical harmonic components, decoded later to speakers or…
Amplitude in acoustics is the size of a sound wave's variation from its resting value, which listeners perceive mainly as loudness.
Anchor text is the visible, clickable text of a hyperlink, which search engines read as a signal of what the linked page…
Android is an open-source mobile operating system built on the Linux kernel that powers most of the world's smartphones across many manufacturers.
Android Automotive is a version of Android that runs natively on a car's infotainment hardware and works without a connected smartphone.
Angle of view is the angular extent of a scene that a lens and sensor capture, set by focal length and sensor…
Anonymization is the irreversible transformation of personal data so that individuals can no longer be identified by any means reasonably likely to…
ANR, short for Application Not Responding, is the Android error raised when an app's main thread stays blocked too long to handle…
Ansible is an agentless automation tool for infrastructure as code that configures servers and deploys applications with YAML playbooks over SSH.
Answer engine optimization is the SEO practice of structuring content so AI assistants and search features select it as a direct, attributed…
Anycast is an Internet addressing method in which many servers announce the same IP address and routing delivers each packet to the…
AOSP, the Android Open Source Project, is the open-source code base of Android that device makers and custom ROM projects build their…
Apache is the open-source Apache HTTP Server, a modular web server that serves static files, runs dynamic applications and acts as a…
Apache Arrow is a language-independent columnar in-memory data format that lets analytics tools share and process tabular data without conversion.
Apache Flink is an open-source distributed engine for stateful stream processing of streaming data, with event-time semantics and exactly-once state.
The Apache License is a permissive open source software license that allows reuse and relicensing while adding an explicit patent grant and…
Aperture is the adjustable lens opening that controls how much light reaches the sensor and how deep the zone of sharp focus…
APFS, the Apple File System, is the copy-on-write file system used by macOS since 2017, built for SSDs with snapshots, clones and…
An API endpoint is a specific address and operation exposed by an API, such as an HTTP method and path, where clients…
API integration connects software systems through their programming interfaces so that automated workflows can exchange data and trigger actions reliably.
An APK (Android Package) is the signed ZIP-based file format that Android uses to distribute and install apps, holding code, resources and…
APM (application performance monitoring) measures how cloud applications behave for users by tracking latency, errors, throughput and code-level traces.
The app lifecycle is the sequence of states a mobile app moves through, from launch to foreground, background, suspension and termination by…
App notarization is Apple's automated malware and signing check for Mac software distributed outside the App Store, which Gatekeeper requires before launch.
App permissions are the controls a mobile operating system uses to grant or deny an app access to sensitive data, hardware and…
App review is the check an app store performs on a submitted mobile app or update for policy, safety, privacy and quality…
An app rollout is the controlled release of a new mobile app version to users, often in stages, so problems can be…
App startup time is the delay between launching a mobile app and the moment its first screen is displayed and usable, measured…
The App Store is Apple's official digital storefront for discovering, buying, installing and updating apps on iPhone, iPad, Mac and other Apple…
AppArmor is a Linux security module that confines programs with path-based profiles, limiting which files, capabilities and network access each may use.
AppImage is a Linux packaging format that ships an application and its libraries as one executable file that runs without installation or…
Apple Pay is a digital wallet and payment method that lets shoppers pay at checkout with tokenized cards authenticated by Face ID,…
Apple Podcasts is Apple's podcast directory and listening app, which indexes public RSS feeds and adds subscriptions, transcripts and creator analytics.
Apple Vision Pro is a high-end mixed reality headset that runs visionOS and uses eye, hand and voice input with video pass-through…
An application log is the record of events written by the software running on a server, describing its own actions, decisions and…
An application sandbox confines an installed program to a restricted environment so it can reach only the files, devices and services it…
Application software is the category of programs that perform specific tasks for users, such as writing, accounting or design, on top of…
APS-C is a mid-size camera sensor format of roughly 23 x 15 mm with a crop factor of about 1.5 to 1.6…
APT is the Debian and Ubuntu package management system that downloads packages from signed repositories and resolves dependencies on top of dpkg.
AR, or augmented reality, overlays computer-generated content on a live view of the real world, aligned to real objects and updated in…
Arch Linux is a minimalist, rolling-release Linux distribution built around the pacman package manager, user-assembled systems and current upstream software.