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Computing and digital systems

13,604 articles

General

Amlogic

Amlogic (Amlogic (Shanghai) Co., Ltd.; 晶晨半导体) is a fabless semiconductor company founded in Shanghai in 2003 that designs system-on-chip solutions for smart TVs and set-top boxes.

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Ammonothermal growth of gallium nitride

Ammonothermal growth of gallium nitride is a bulk crystal growth method, first used to produce GaN in 1995, that yields the highest structural quality bulk GaN but grows slowly.

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Amnon Shashua

Amnon Shashua is an Israeli computer science professor at the Hebrew University of Jerusalem and serial AI founder, best known as co-founder and longtime CEO of Mobileye.

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Amorphous oxide semiconductor back-end-of-line integration

Amorphous oxide semiconductor back-end-of-line (BEOL) integration fabricates IGZO thin-film transistors within a chip's interconnect layers after silicon CMOS is finished, below a 400 °C thermal limit.

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Amortized analysis

Amortized analysis, also called amortized complexity, is a computer science technique that bounds the average cost per operation over a sequence, using the aggregate, accounting, or potential method.

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Amortized inference

Amortized inference is a machine learning approach that trains a model once, so posterior estimates for new data come in a single forward pass instead of fresh optimization.

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Ampere (microarchitecture)

Ampere, also known as Nvidia Ampere, is a GPU microarchitecture from NVIDIA announced in 2020, succeeding Turing and Volta and powering the A100 and GeForce RTX 30 Series.

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Ampere Computing

Ampere Computing is a Santa Clara, California semiconductor company founded in 2017 by former Intel president Renée James that designs Arm-based server processors for cloud and AI workloads.

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AmpereOne

AmpereOne is a family of cloud-native server processors from Ampere Computing, announced in 2023 with up to 192 single-threaded custom Ampere Arm cores, targeting cloud and AI inference workloads.

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Amplitude estimation

Amplitude estimation, also known as quantum amplitude estimation, is a quantum algorithm that estimates the probability of a marked subspace, using O(1/ε) queries versus classical O(1/ε²) sampling.

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AMS-IX

AMS-IX, short for Amsterdam Internet Exchange, is a neutral, member-based internet exchange point founded in 1994 as a SURF pilot project, now among the world's largest hubs for internet traffic.

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Amstrad

Amstrad is a British consumer electronics company founded by Alan Sugar in 1968, which led Europe's home computer market in the mid-1980s and was bought by Sky in 2007.

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Amstrad CPC

The Amstrad CPC, also sold in Germany as the Schneider CPC, is a series of 8-bit home computers produced by British company Amstrad between 1984 and 1990.

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Anaconda (Python distribution)

Anaconda is a free Python distribution for data science and AI work, published by Anaconda, Inc., that bundles Python, the conda package manager, Jupyter Notebook, and hundreds of vetted packages.

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Analog computer

An analog computer solves mathematical problems by representing variables as continuously varying physical quantities, typically voltages, making it well suited to differential equations until digital machines displaced it.

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Analog Devices

Analog Devices, Inc. is an American semiconductor company headquartered in Massachusetts that designs high-performance analog and mixed-signal chips, founded in 1965 and acquiring Maxim Integrated in 2021 for about $21 billion.

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Analog image processing

Analog image processing is image processing on continuous signals, using lenses, masks, and analog circuits for convolution and Fourier transforms with high parallelism and low energy.

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Analog-to-digital converter

An analog-to-digital converter (ADC), also called an A-D converter, is an electronic circuit that turns analog voltage into digital numbers by sampling and quantization, with common architectures including SAR, flash, pipelined, and sigma-delta.

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Analysis of algorithms

Analysis of algorithms, also known as algorithm analysis, is the mathematical study of the running time and memory an algorithm needs, using asymptotic notation like big O.

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Analytic hierarchy process

The analytic hierarchy process (AHP) is a structured technique for multi-criteria decision making, developed by Thomas L. Saaty in the 1970s, that decomposes problems into a hierarchy of goal, criteria, and alternatives.

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Analytical engine

The Analytical Engine was a proposed general-purpose mechanical digital computer designed by Charles Babbage, first conceived in 1834 and never built, programmable by punched cards with a memory called the Store.

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Analytics

Analytics is the discipline of applying statistical, computational, and mathematical methods to data to explain what happened and what should be done, spanning four types: descriptive, diagnostic, predictive, and prescriptive.

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Analytics engineering

Analytics engineering: a data discipline transforming raw warehouse data into clean, tested, documented data sets using software engineering practices like version control and CI. Named in Michael Kaminsky's 2019 blog post; centered on the dbt ecosystem; 72% AI-assisted coding adoption in 2026.

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AnandTech

AnandTech was an American computer hardware news and review website founded in 1997 by Anand Lal Shimpi, then 14, which closed in 2024 after 27 years.

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Anaplan

Anaplan is a cloud-based enterprise planning software platform founded in England in 2008, known for its Hyperblock engine; it went public in 2018 and was taken private by Thoma Bravo in 2022.

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Anatoly Yakovenko (Анатолій Яковенко)

Anatoly Yakovenko, also known as Toly Yakovenko, is a Ukrainian-born American engineer who conceived the Solana blockchain in a 2017 whitepaper and co-founded Solana Labs, serving as its chief executive officer.

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Ancestral sampling

Ancestral sampling is the standard way of generating data with a trained diffusion model, drawing from the learned reverse transition at each step to turn Gaussian noise into a sample.

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Anchor modeling

Anchor modeling is an open-source 6NF database modeling technique for evolving data environments, using anchors, knots, attributes, and ties; every schema change is additive, with per-attribute history, distinct from Data Vault.

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Anchors (machine learning)

Anchors is a model-agnostic explainability method, introduced by Marco Tulio Ribeiro, Sameer Singh, and Carlos Guestrin in 2018, that explains individual predictions of black-box classifiers with high-precision if-then rules.

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Anders Hejlsberg

Anders Hejlsberg, born in 1960 in Copenhagen, Denmark, is a Danish software engineer who designed Turbo Pascal and Delphi at Borland and created C# and TypeScript at Microsoft.