Mac, originally Macintosh, is Apple's line of personal computers that run macOS, designed together as one hardware and software platform.
A MAC address is the 48-bit hardware identifier that a network interface uses to send and receive frames within one local network…
Machine learning is the branch of artificial intelligence in which systems learn patterns from data to make predictions or decisions without explicit…
macOS is the Unix-based desktop operating system for Mac computers, combining the Darwin core with the Aqua interface, Finder, Dock and menu…
Macro photography is the technique of photographing small subjects at life-size magnification or greater, revealing detail the eye cannot see.
Magento is a modular PHP e-commerce platform for complex online stores, offered as open source and as the commercial Adobe Commerce edition.
A mail transfer agent is the email infrastructure server software that receives, queues, routes and relays messages between mail systems over SMTP.
Make is a visual automation platform that connects cloud applications through scenarios of modules, routers and filters that run on triggers or…
Malware is malicious software designed to damage systems, steal data or gain unauthorized control, from viruses and worms to ransomware and spyware.
Managed hosting is a hosting service in which the provider operates the server for the customer, handling updates, security, backups and monitoring.
A managed switch is an Ethernet switch that can be configured and monitored, offering VLANs, QoS, link aggregation and security controls on…
A many-to-many relationship links records where each entity can relate to many of the other, usually modeled with a junction table.
A margin in layout is the empty space between the edge of a page or screen and its live content area, framing…
MariaDB is an open-source relational database system forked from MySQL, offering SQL compatibility, pluggable storage engines and Galera clustering.
Market sizing in market research estimates how much revenue or how many customers a market can support, using top-down and bottom-up methods.
A marketing dashboard in marketing analytics is a visual report that consolidates key metrics from campaigns and channels so teams can monitor…
The marketing mix, or 4 Ps, is the set of controllable decisions on product, price, place and promotion that turns a marketing…
Marketing mix modeling (MMM) is a statistical method that estimates how each marketing channel and external factor contributes to sales over time.
A marketing strategy is the long-term plan that defines which customers a business serves, what value it offers them and how it…
A marketplace in e-commerce is a platform where many independent sellers offer goods to buyers, while the operator runs the storefront, search…
Masking in graphic design hides or reveals parts of an image or layer without deleting them, using grayscale, vector or clipping masks…
A materialized view is a database object that stores the precomputed result of a query on disk and refreshes it to speed…
Matter is an open, IP-based smart home standard that lets certified devices from different brands work together locally over Wi-Fi, Thread or…
MCP (Model Context Protocol) is an open standard that lets AI agents and assistants connect to external tools, data sources and prompts…
MDM (mobile device management) is the centralized enrollment, configuration and security control of smartphones and tablets used in an organization.
The mean in statistics is the sum of all values divided by their count, the balance point of a dataset and the…
A mechanical keyboard uses an individual switch with its own spring and sensing mechanism under every key, instead of a shared membrane…
A mechanical shutter in a camera is a set of physical blades or curtains that opens and closes to control how long…
A media kit is a creator's short pitch document presenting audience data, content, past partnerships and offers so brands can judge a…
A media query in CSS applies styles only when the device or viewport matches conditions such as width, orientation or color scheme…
Media relations in public relations is the practice of building trusted relationships with journalists to earn accurate, credible coverage for an organization.
The median in statistics is the middle value of an ordered dataset, a robust measure of central tendency that resists outliers and…
A medium shot frames a person from about the waist up, balancing facial expression and body language, and is a core shot…
Megawatt charging is DC fast charging at power levels above one megawatt, designed mainly to recharge electric heavy trucks and buses within…
Memory bandwidth is the rate at which data moves between memory and a processor, usually stated in gigabytes per second and set…
Memory latency is the delay between a processor requesting data from RAM and receiving it, measured in clock cycles or nanoseconds.
Memory usage is the amount of physical RAM a server, process or container consumes, split into application memory, kernel buffers, page cache…
Merchant Center is Google's platform where online retailers upload and manage product data that powers Shopping ads, free listings and other product…
A merge conflict occurs when a version control tool such as Git cannot combine two branches automatically because both changed the same…
A message broker is middleware that receives, stores and routes messages between producers and consumers, decoupling systems in streaming data architectures.
A meta description is the HTML summary of a page that search engines may show as the result snippet, shaping clicks rather…
Meta Quest is the product line of standalone mixed reality headsets from Meta that run Meta Horizon OS and can also connect…
A meta tag is an HTML element in the document head that supplies metadata such as encoding, viewport settings or a page…
Metadata is data that describes other data, such as its content, structure, origin, format and rules of use, so it can be…
Metrics in observability are numeric measurements collected at intervals as labeled time series, used to track system health, alert on problems and…
MFA, multi-factor authentication, requires two or more independent proofs of identity, such as a password plus a phone or security key, before…
MiCA, the EU Markets in Crypto-Assets Regulation, sets uniform rules for crypto-asset issuers, stablecoins and crypto-asset service providers.
Micro Four Thirds is a mirrorless camera system standard built around a 17.3 x 13 mm sensor, a short flange distance and…
Micro-frontends split a web frontend into independently built and deployed parts owned by separate teams and composed into one application.
MicroLED is a self-emissive display technology in which every subpixel is a microscopic inorganic LED, combining high brightness with true blacks.