Browse Definitions by Alphabet
ACT - MED
- Active Directory Domain Services (AD DS) - Active Directory Domain Services (AD DS) is a server role in Active Directory that allows admins to manage and store information about resources from a network, as well as application data, in a distributed database.
- m-commerce (mobile commerce) - M-commerce (mobile commerce) is the buying and selling of goods and services through wireless handheld devices such as smartphones and tablets.
- M.2 SSD - An M.2 SSD is a small form factor solid-state drive (SSD) that internally mounted storage expansion cards use.
- MAC address (media access control address) - A MAC address (media access control address) is a 12-digit hexadecimal number assigned to each device connected to the network.
- MacBook Air - MacBook Air is a thin, lightweight laptop from Apple.
- machine authentication - Machine authentication is the authorization of an automated human-to-machine or machine-to-machine (M2M) communication through verification of a digital certificate or digital credentials.
- machine code (machine language) - Machine code, also known as machine language, is the elemental language of computers.
- machine data - Machine data is digital information created by the activity of computers, mobile phones, embedded systems and other networked devices.
- machine learning algorithm - A machine learning algorithm is the method by which the AI system conducts its task, generally predicting output values from given input data.
- machine learning bias (AI bias) - Machine learning bias, also sometimes called algorithm bias or AI bias, is a phenomenon that occurs when an algorithm produces results that are systemically prejudiced due to erroneous assumptions in the machine learning process.
- machine learning engineer (ML engineer) - A machine learning engineer (ML engineer) is a person in IT who focuses on researching, building and designing self-running artificial intelligence (AI) systems to automate predictive models.
- machine learning operations (MLOps) - Machine learning operations (MLOps) is the development and use of machine learning models by development operations (DevOps) teams.
- machine teaching - Machine teaching is the practice of infusing context -- and often business consequences -- into the selection of training data used in machine learning (ML) so that the most relevant outputs are produced by the ML algorithms.
- machine translation - Machine translation technology enables the conversion of text or speech from one language to another using computer algorithms.
- machine vision - Machine vision is the ability of a computer to see; it employs one or more video cameras, analog-to-digital conversion and digital signal processing.
- machine-generated data (MGD) - Machine-generated data (MGD) is information that is produced by mechanical or digital devices.
- machine-to-machine (M2M) - Machine-to-machine, or M2M, is a broad label that can be used to describe any technology that enables networked devices to exchange information and perform actions without the manual assistance of humans.
- Macintosh - The Macintosh, now called the Mac, was the first widely sold personal computer (PC) with a graphical user interface (GUI) and a mouse.
- macOS - MacOS is the computer operating system for Apple desktops and laptops.
- MACRA (Medicare Access and CHIP Reauthorization Act of 2015) - MACRA (Medicare Access and CHIP Reauthorization Act of 2015) is U.
- macro virus - A macro virus is a computer virus written in the same macro language used to create software programs such as Microsoft Excel or Word.
- macrotrend - A macrotrend is a pervasive and persistent shift in the direction of some phenomenon on a global level.
- magnetic field strength - Magnetic field strength is a measure of the intensity of a magnetic field in a given area of that field.
- magnetic storage - Magnetic storage has been around in many forms since 1888 by Oberlan Smith, who publicized his audio recording on a wire in Electrical World.
- magnetic stripe reader (magstripe reader) - A magnetic stripe reader, also called a magstripe reader, is a hardware device that reads the information encoded in the magnetic stripe located on the back of a plastic badge.
- magnetic tape storage - Magnetic tape is one of the oldest technologies for electronic data storage.
- magnetomotive force (magnetic potential) - Magnetomotive force, also known as magnetic potential, is the property of certain substances or phenomena that gives rise to magnetic field s.
- mail bomb - A mail bomb is a form of a denial-of-service (DoS) attack designed to overwhelm an inbox or inhibit a server by sending a massive number of emails to a specific person or system.
- mail server (mail transfer/transport agent, MTA, mail router, internet mailer) - A mail server -- also known as a mail transfer agent, or MTA; mail transport agent; mail router; or internet mailer -- is an application that receives incoming email from local users and remote senders and forwards outgoing messages for delivery.
- mainframe (big iron) - A mainframe (also known as 'big iron') is a high-performance computer used for large-scale computing purposes that require greater availability and security than a smaller-scale machine can offer.
- male connector (or plug) - A male connector is a connector attached to a wire, cable, or piece of hardware, having one or more exposed, unshielded electrical terminal s, and constructed in such a way that it can be inserted snugly into a receptacle (female connector) to ensure a reliable physical and electrical connection.
- malware - Malware, or malicious software, is any program or file that is intentionally harmful to a computer, network or server.
- Malware quiz: Test your knowledge of types and terms - Malware trends are constantly evolving, but older techniques are still often used in cyber attacks today.
- man in the browser (MitB) - Man in the browser (MitB) is a security attack where the perpetrator installs a Trojan horse on the victim's computer that is capable of modifying that user's web transactions.
- man-in-the-middle attack (MitM) - A man-in-the-middle (MiTM) attack is a type of cyber attack in which the attacker secretly intercepts and relays messages between two parties who believe they are communicating directly with each other.
- managed detection and response (MDR) - Managed detection and response (MDR) services are a collection of network-, host- and endpoint-based cybersecurity technologies that a third-party provider manages for a client organization.
- managed file transfer (MFT) - Managed file transfer (MFT) is a type of software used to provide secure internal, external and ad-hoc data transfers through a network.
- managed hosting - Managed hosting is an IT provisioning model in which a service provider leases dedicated servers and associated hardware to a single customer and manages those systems on the customer's behalf.
- managed IT service - A managed IT service is an information technology (IT) task provided by a third-party contractor and delivered to a customer.
- managed network services - Managed network services are networking applications, functions and services that enterprises outsource to be remotely operated, monitored and maintained by a managed service provider (MSP).
- managed security service provider (MSSP) - A managed security service provider (MSSP) is an IT service provider that sells security services to businesses.
- managed service provider (MSP) - A managed service provider (MSP) is a third-party company that remotely manages a customer's information technology (IT) infrastructure and end-user systems.
- management information systems (MIS) - Management information systems (MIS) is a department within an enterprise responsible for controlling the hardware and software systems that the organization uses to make business-critical decisions.
- manager self-service - Manager self-service is self-service platform that enables managers to get immediate access to employee information and initiate employment-related actions.
- managerial grid model (The Blake and Mouton Managerial Grid model) - The managerial grid model was developed by Robert R.
- Manchester encoding - In data transmission, Manchester encoding is a form of digital encoding in which a data bit's state -- 0 or 1 -- is represented by the transition from one voltage level to another.
- mandatory access control (MAC) - Mandatory access control (MAC) is a security strategy that restricts the ability individual resource owners have to grant or deny access to resource objects in a file system.
- Mandela Effect - The Mandela Effect is an observed phenomenon in which a large segment of the population misremembers a significant event or shares a memory of an event that did not actually occur.
- manufacturer's suggested retail price (MSRP) - Manufacturer’s suggested retail price (MSRP) is the price that the maker of a product recommends for it in customer-facing retail stores.
- manufacturing execution system (MES) - A manufacturing execution system (MES) is an information system that connects, monitors and controls complex manufacturing systems and data flows on the factory floor.
- manufacturing process management (MPM) - Manufacturing process management (MPM) is the discipline of defining how products are manufactured so production processes can be made more efficient and responsive.
- MAPI over HTTP (Messaging Application Programming Interface over HTTP) - MAPI over HTTP is the default transport protocol to connect clients to Microsoft Exchange and Exchange Online.
- MapReduce - MapReduce is a core component of the Apache Hadoop software framework.
- marcom (or marcomm) - Marcom (sometimes spelled 'marcomm') is an abbreviation for 'marketing communications.
- MariaDB - MariaDB is an open source relational database management system (DBMS) that is a compatible drop-in replacement for the widely used MySQL database technology.
- market basket analysis - Market basket analysis is a data mining technique used by retailers to increase sales by better understanding customer purchasing patterns.
- market concentration - Market concentration is the distribution of a given market among the participating companies.
- market development funds (MDF) - Market development funds (MDF) are a resource that a vendor grants to its indirect sales channel partners to help the channel with sales and marketing programs.
- market segmentation - Market segmentation is a marketing strategy that uses well-defined criteria to divide a brand's total addressable market share into smaller groups.
- marketecture (marchitecture) - Marketecture (also known as marchitecture) refers to non-technical descriptions of a company's products or services that let various stakeholders understand the product's core functionality and how it works with other products as part of a broader ecosystem.
- marketing automation - Marketing automation is a type of software that allows companies to effectively target customers with automated marketing messages across channels including email, websites, social media and text messages to generate sales leads.
- marketing campaign management - Marketing campaign management is the planning, executing, tracking and analysis of direct marketing campaigns.
- marketing stack - A marketing stack, also called a marketing technology stack, is a collection of technologies used by marketers to perform, analyze and improve their services.
- marketing-qualified lead (MQL) - A marketing-qualified lead (MQL) is a website visitor whose engagement levels indicate they are likely to become a customer.
- Marketo - Marketo is a platform for the automation of marketing activities; the platform is designed for medium-sized businesses.
- Markov model - A Markov model is a stochastic method for randomly changing systems that possess the Markov property.
- martech (marketing technology) - Martech is the area of customer relationship management (CRM) concerned with creating, managing and using digital tools that make it possible for marketers to automate tasks and make data-driven decisions.
- Martian address (Martian packet) - A Martian address is a source or destination IP address that apparently does not exist on Planet Earth and is, thus, invalid and/or non-routable.
- Maslow’s hierarchy of needs - Maslow’s hierarchy of needs is a charted set of human requirements that are important for an individual to achieve complete development and self-actualization.
- mass (m) - Mass (symbolized m) is a dimensionless quantity representing the amount of matter in a particle or object.
- mass notification system (MNS) - A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.
- Massachusetts data protection law - What is the Massachusetts data protection law?The Massachusetts data protection law is legislation that stipulates security requirements for organizations that handle the private data of residents.
- massive open online course (MOOC) - A massive open online course (MOOC) is a free web-based distance learning program that is designed for large numbers of geographically dispersed students.
- Master Boot Record (MBR) - The Master Boot Record (MBR) is the information in the first sector of a hard disk or a removable drive.
- master data - Master data is the core data that is essential to operations in a specific business or business unit.
- master data management (MDM) - Master data management (MDM) is a process that creates a uniform set of data on customers, products, suppliers and other business entities from different IT systems.
- material requirements planning (MRP) - Material requirements planning (MRP) is a system for calculating the materials and components needed to manufacture a product.
- Mathematical symbols - This table contains mathematical symbols and links to definitions of what they represent and how they are used.
- matter - Matter is a substance made up of various types of particles that occupies physical space and has inertia.
- maturity grid (maturity model) - A maturity model is a matrix for evaluating an organization's level of progress towards a goal.
- Maven - Maven is a project management build tool used mostly in Java development.
- maximizer - A maximizer is an individual who consistently seeks the optimal outcome for any endeavor.
- maximum segment size (MSS) - The maximum segment size (MSS) is the largest amount of data, specified in bytes, that a computer or communications device can handle in a single, unfragmented piece.
- maximum transmission unit (MTU) - The maximum transmission unit (MTU) is the largest size frame or packet -- in bytes or octets (eight-bit bytes) -- that can be transmitted across a data link.
- MCITP (Microsoft Certified IT Professional) - An MCITP (Microsoft Certified IT Professional) is a credential that proves that an individual has a complete set of skills required to perform a particular IT job role, such as enterprise or virtualization administrator.
- McKesson Corp. - McKesson Corp.
- MCSA (Microsoft Certified Solutions Associate) - MCSA (Microsoft Certified Solutions Associate) was a certification program offered by Microsoft and intended for people seeking entry-level jobs in an IT environment.
- MD5 - The MD5 (message-digest algorithm) hashing algorithm is a one-way cryptographic function that accepts a message of any length as input and returns as output a fixed-length digest value to be used for authenticating the original message.
- MDI/MDIX (medium-dependent interface/MDI crossover) - MDI/MDIX is a type of Ethernet port connection that uses twisted-pair cabling to link two networked devices.
- mean time to detect (MTTD) - Mean time to detect (MTTD) is a measure of how long a problem exists in an IT deployment before the appropriate parties become aware of it.
- mean time to innocence - Mean time to innocence is the average elapsed time between when a system problem is detected and any given team's ability to say the team or part of its system is not the root cause of the problem.
- Meaningful Use - In the context of health IT, meaningful use is a term used to define minimum U.
- meaningful use stage 3 - Meaningful use stage 3 is the third phase of the federal incentive program that details requirements for the use of electronic health record systems by hospitals and eligible healthcare professionals.
- mebibyte (MiB) - A mebibyte (MiB) is a unit of measurement used in computer data storage.
- mechanical refrigeration - Mechanical refrigeration, often referred to simply as refrigeration or air conditioning, is a process by which heat is removed from a location using a human-made heat exchange system.
- mechatronics - Mechatronics is a branch of engineering that focuses on designing, manufacturing and maintaining products that have both mechanical and electronic components.
- medical imaging (radiology) - Medical imaging, also known as radiology, is the field of medicine in which medical professionals recreate various images of parts of the body for diagnostic or treatment purposes.
- medical scribe - A medical scribe is a healthcare employee that assists medical professionals with documenting patients' medical histories.
- medical transcription (MT) - Medical transcription (MT) is the manual processing of voice reports dictated by physicians and other healthcare professionals into text format.
- Meditech (Medical Information Technology Inc.) - Meditech (Medical Information Technology Inc.