Browse Definitions :

Browse Definitions by Alphabet

HAR - HEL

  • Hartree energy - The Hartree energy is a physical constant equal to twice the binding energy of the electron in the ground state (the lowest-energy state) of the hydrogen atom.
  • hash - Hashing is the transformation of a string of characters into a usually shorter fixed-length value or key that represents the original string.
  • Hash based Message Authentication Code - Hash-based Message Authentication Code (HMAC) is a message authentication code that uses a cryptographic key in conjunction with a hash function.
  • hash function - Hashing is the transformation of a string of characters into a usually shorter fixed-length value or key that represents the original string.
  • Hash-based Message Authentication Code - Hash-based Message Authentication Code (HMAC) is a message authentication code that uses a cryptographic key in conjunction with a hash function.
  • Hash-based Message Authentication Code (HMAC) - Hash-based Message Authentication Code (HMAC) is a message authentication code that uses a cryptographic key in conjunction with a hash function.
  • HashiCorp - HashiCorp is a software company that provides a suite of modular DevOps infrastructure provisioning and management products.
  • hashing - Hashing is the process of transforming any given key or a string of characters into another value.
  • hashtag - A hashtag is atag used to categorize posts on Twitter (tweets) according to topics.
  • Haswell - Haswell is the code name for Intel's 4th generation Core i-based processors.
  • hate speech - Hate speech is a verbal or written communication expressing a generalized negative opinion about a particular demographic, sometimes attacking an individual as a member of that group.
  • HAVA - The Help America Vote Act of 2002 (HAVA)is a federal program that reformed aspects of the United States election system.
  • HAVA (Help America Vote Act of 2002) - The Help America Vote Act of 2002 (HAVA)is a federal program that reformed aspects of the United States election system.
  • Have I Been Pwned (HIBP) - Have I Been Pwned (HIBP) is a website that allows users to search and find out if an email address’s password has been compromised.
  • HAVi - HAVi (Home Audio Visual) is a standard, developed by several leading electronics and computer manufacturers, that allows a number of different home-entertainment and communication devices to operate from a single controller device such as your TV set.
  • HAVi (Home Audio Visual) - HAVi (Home Audio Visual) is a standard, developed by several leading electronics and computer manufacturers, that allows a number of different home-entertainment and communication devices to operate from a single controller device such as your TV set.
  • Hawthorne effect - The Hawthorne effect is the modification of behavior by study participants in response to their knowledge that they are being observed or singled out for special treatment.
  • HBA - A host bus adapter (HBA) provides physical connectivity and input/output between a server and a network and/or storage device.
  • HC3 (HyperCore 3) - HC3 (HyperCore 3) is a hyper-converged appliance from Scale Computing.
  • HCCA (Health Care Compliance Association) - The Health Care Compliance Association (HCCA) is a nonprofit, individual membership organization that aims to help health care professionals with ethics and compliance.
  • HCI - HCI (human-computer interaction) is the study of how people interact with computers and to what extent computers are or are not developed for successful interaction with human beings.
  • HCI (human-computer interaction) - HCI (human-computer interaction) is the study of how people interact with computers and to what extent computers are or are not developed for successful interaction with human beings.
  • HD down converter - An HD (high-definition) downconverter is a device that converts high-definition television (HDTV) video to standard-definition video that can be viewed on conventional television (TV) receivers or computer monitors, or recorded on DVD.
  • HD downconverter - An HD (high-definition) downconverter is a device that converts high-definition television (HDTV) video to standard-definition video that can be viewed on conventional television (TV) receivers or computer monitors, or recorded on DVD.
  • HD downconverter (high-definition downconverter) - An HD (high-definition) downconverter is a device that converts high-definition television (HDTV) video to standard-definition video that can be viewed on conventional television (TV) receivers or computer monitors, or recorded on DVD.
  • HD DVD - HD-DVD (high-density DVD) is an optical digital storage medium with a capacity that far exceeds that of standard DVD media.
  • HD ROM - HD-ROM (High-Density - Read Only Memory) is a high-capacity storage technology developed at Norsam Technologies in conjunction with an IBM research group that enables a disk to store hundreds of times as much information as a CD-ROM.
  • HD up converter - An HD (high-definition) upconverter, also known as a digital television (DTV) upconverter, is a device that converts the digital data on a DVD to a format that can be viewed directly on a high-definition television (HDTV) receiver without intermediate conversion to an analog signal.
  • HD upconverter - An HD (high-definition) upconverter, also known as a digital television (DTV) upconverter, is a device that converts the digital data on a DVD to a format that can be viewed directly on a high-definition television (HDTV) receiver without intermediate conversion to an analog signal.
  • HD upconverter (high-definition upconverter) - An HD (high-definition) upconverter, also known as a digital television (DTV) upconverter, is a device that converts the digital data on a DVD to a format that can be viewed directly on a high-definition television (HDTV) receiver without intermediate conversion to an analog signal.
  • HD-DVD - HD-DVD (high-density DVD) is an optical digital storage medium with a capacity that far exceeds that of standard DVD media.
  • HD-DVD (high-density DVD) - HD-DVD (high-density DVD) is an optical digital storage medium with a capacity that far exceeds that of standard DVD media.
  • HD-ROM - HD-ROM (High-Density - Read Only Memory) is a high-capacity storage technology developed at Norsam Technologies in conjunction with an IBM research group that enables a disk to store hundreds of times as much information as a CD-ROM.
  • HD-SDI downconverter - An HD (high-definition) downconverter is a device that converts high-definition television (HDTV) video to standard-definition video that can be viewed on conventional television (TV) receivers or computer monitors, or recorded on DVD.
  • HDCD - HDCD (High Definition Compatible Digital) is a digital encoding and decoding process for compact disc and DVD audio recording.
  • HDCP - HDCP (High-bandwidth Digital Content Protection) is a specified method from Intel for protecting copyrighted digital entertainment content that uses the Digital Video Interface (DVI) by encrypting its transmission between the video source and the digital display (receiver).
  • HDD - A computer hard disk drive (HDD) is a non-volatile memory hardware device that controls the positioning, reading and writing of the hard disk, which furnishes data storage.
  • HDD form factor (hard disk drive form factor) - HDD form factor is the size or geometry of a hard disk drive, determining the device’s compatibility with the drive bays in a storage array or enclosure, server, portable computer or other computing device.
  • HDLC - HDLC (High-level Data Link Control) is a group of protocols or rules for transmitting data between network points (sometimes called nodes).
  • HDLC (High-level Data Link Control) - HDLC (High-level Data Link Control) is a group of protocols or rules for transmitting data between network points (sometimes called nodes).
  • HDMI - HDMI (High Definition Multimedia Interface) is a specification that combines video and audio into a single digital interface for use with digital versatile disc (DVD) players, digital television (DTV) players, set-top boxes, and other audiovisual devices.
  • HDMI - HDMI (High-Definition Multimedia Interface) is an industry standard for creating audio and video connections between high-definition electronic devices.
  • HDMI (High-Definition Multimedia Interface) - HDMI (High-Definition Multimedia Interface) is an industry standard for creating audio and video connections between high-definition electronic devices.
  • HDML - HDML (Handheld Device Markup Language) - often compared to Wireless Markup Language (WML) - is a language that allows the text portions of Web pages to be presented on cellular telephones and personal digital assistants (PDA) via wireless access.
  • HDSL - Also see our Fast guide to DSL.
  • HDTV - HDTV (high definition television) is a television display technology that provides picture quality similar to 35 mm.
  • HDTV (high definition television) - HDTV (high definition television) is a television display technology that provides picture quality similar to 35 mm.
  • HDTV downconverter - An HD (high-definition) downconverter is a device that converts high-definition television (HDTV) video to standard-definition video that can be viewed on conventional television (TV) receivers or computer monitors, or recorded on DVD.
  • HDX - Citrix HDX technology is a set of capabilities that work together to deliver a high-definition user experience of virtual desktops and applications to any device over any network from the data center.
  • head tracking - Head tracking is a software application that monitors a user’s head position and orientation.
  • head-end - A cable head-end (or headend) is the facility at a local cable TV office that originates and communicates cable TV services and cable modem services to subscribers.
  • headend - A cable head-end (or headend) is the facility at a local cable TV office that originates and communicates cable TV services and cable modem services to subscribers.
  • header - In information technology, a header is, in general, something that goes in front of something else and is usually repeated as a standard part of the units of something else.
  • headless Android - Headless Android is a version of the Android operating system designed for embedded devices that lack user interfaces.
  • headless CMS (headless content management system) - A headless content management system (CMS) delivers back-end capabilities for editing, organizing and storing all types of digital information, without regard to how that content is published, displayed or used.
  • headless commerce (headless e-commerce) - Headless commerce, also called headless e-commerce, is a platform architecture that decouples the front end of an e-commerce website with the back end.
  • headless server - A headless server is a computing device without a local interface that is dedicated to providing services to other computers and their users.
  • headless system - A headless system is a computer that operates without a monitor, graphical user interface (GUI) or the typical peripherals used to control it, such as a keyboard and mouse.
  • headroom - Attenuation-to-crosstalk ratio (ACR), also called headroom, is the difference, expressed as a figure in decibels (dB), between the signal attenuation produced by a wire or cable transmission medium and the near-end crosstalk (NEXT).
  • heads-up display (HUD) - A heads-up display (HUD) is a transparent or miniaturized display technology that does not require users to shift their gaze from where they are naturally looking.
  • Health Alert Network - Health Alert Network (HAN) is the early warning system run by the Center for Disease Control (CDC).
  • Health and Human Services�(HHS) - The U.S.
  • health apps - Health apps are application programs that offer health-related services for smartphones and tablet PCs.
  • health care cloud - A health care cloud is a cloud computing service used by health care providers for storing, maintaining and backing up personal heath information (PHI).
  • Health Data Repository - Clinical Data Repository/Health Data Repository (CHDR) is a storage interface between the data repositories of the Department of Defense and the Veterans Administration.
  • Health Indicator Warehouse - The Health Indicators Warehouse (HIW) is a national database of measurable characteristics that describe statistical aspects of health, causal factors of health or health issues, accessibility and use of healthcare, all of which are considered health indicators.
  • health informatics - Health informatics is the practice of acquiring, studying and managing health data and applying medical concepts in conjunction with health information technology systems to help clinicians provide better healthcare.
  • health information exchange - Health information exchange (HIE) is the electronic transmission of healthcare-related data among medical facilities, health information organizations -- companies that oversee and govern the exchange of this data -- and government agencies according to national standards.
  • Health Information Exchange (HIE) - Health information exchange (HIE) is the electronic transmission of healthcare-related data among medical facilities, health information organizations -- companies that oversee and govern the exchange of this data -- and government agencies according to national standards.
  • Health Information Technology for Economic and Clinical Health Act - The HITECH (Health Information Technology for Economic and Clinical Health) Act of 2009 is legislation that was created to stimulate the adoption of electronic health records (EHR) and the supporting technology in the United States.
  • Health Insurance Portability and Accountability Act - HIPAA (Health Insurance Portability and Accountability Act) is United States legislation that provides data privacy and security provisions for safeguarding medical information.
  • Health IT - Health IT (health information technology) is the area of IT involving the design, development, creation, use and maintenance of information systems for the healthcare industry.
  • Health IT (health information technology) - Health IT (health information technology) is the area of IT involving the design, development, creation, use and maintenance of information systems for the healthcare industry.
  • Healthcare CIO (healthcare chief information officer) - A healthcare CIO is a healthcare executive with an influence over technology purchasing and other IT business decisions.
  • Healthcare Information and Management Systems Society - The Healthcare Information and Management Systems Society (HIMSS) is a nonprofit organization whose goal is to promote the best use of IT and management systems in the healthcare industry.
  • heap - In certain programming languages including C and Pascal, a heap is an area of pre-reserved computer main storage (memory) that a program process can use to store data in some variable amount that won't be known until the program is running.
  • Heap - Heap is a user analytics tool which can be utilized to capture all web, mobile and cloud-based user interactions in an application.
  • hearables - Hearables are wireless wearable computing earpieces that enable voice input and return results audibly to the user’s ear.
  • Heartbeat - Heartbeat is a program that runs specialized scripts automatically whenever a system is initialized or rebooted.
  • Heartbleed - Heartbleed is a vulnerability in some implementations of OpenSSL.
  • heat - Heat is the transfer of kinetic energy from one medium or object to another, or from an energy source to a medium or object.
  • heat bed - A heat bed is an additional module for a 3D printer that makes the cooling process of 3D printed materials more controlled, for better results.
  • heat map - A heat map is a two-dimensional representation of data in which values are represented by colors.
  • heat map (heatmap) - A heat map is a two-dimensional representation of data in which values are represented by colors.
  • heat maps - Data visualization is a graphical representation of numerical data.
  • heat pump - A heat pump is a device that takes heat from one source and moves it to another location through electric or mechanical means.
  • heat sink - A heatsink is a device that is attached to a microprocessor chip to keep it from overheating by absorbing its heat and dissipating it into the air.
  • heating ventilation air conditioning - HVAC stands for heating, ventilation, and air conditioning.
  • Heating, Refrigerating, and Air Conditioning Engineers - ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) is an organization devoted to the advancement of indoor-environment-control technology in the heating, ventilation and air conditioning (HVAC) industry.
  • heating, ventilation, and air conditioning - HVAC stands for heating, ventilation, and air conditioning.
  • heatmap - A heat map is a two-dimensional representation of data in which values are represented by colors.
  • heatset - Heatset web offset printing is a printing process in which ink is dried rapidly by forced-air heating.
  • heavy Internet use - Technology addiction (Internet addiction) is an impulse control disorder that involves the obsessive use of mobile devices, the internet or video games despite negative consequences to the user of the technology.
  • heavyweight thread - In computer programming, a thread is an instance of a sequence of code that is operating as a unit, typically on behalf of a single user, transaction, or message.
  • Heisenberg indeterminancy principle - The uncertainty principle is the concept that precise, simultaneous measurement of some complementary variables -- such as the position and momentum of a subatomic particle -- is impossible.
  • helium hard drive - A helium drive is a hard disk that exploits the characteristic lightness of that gas to increase the medium’s potential speed and storage density.
  • HELLO packet - In the Open Shortest Path First (OSPF) communications protocol - which enables network routers to share information with each other, a HELLO packet is a special packet (message) that is sent out periodically from a router to establish and confirm network adjacency relationships.
  • Hello World - Hello World is a simple program that, when run, displays the message: Hello World.
  • Help America Vote Act of 2002 - The Help America Vote Act of 2002 (HAVA)is a federal program that reformed aspects of the United States election system.
  • help desk - In a business enterprise, a help desk is a place that a user of information technology can call to get help with a problem.
SearchCompliance
  • OPSEC (operations security)

    OPSEC (operations security) is a security and risk management process and strategy that classifies information, then determines ...

  • smart contract

    A smart contract is a decentralized application that executes business logic in response to events.

  • compliance risk

    Compliance risk is an organization's potential exposure to legal penalties, financial forfeiture and material loss, resulting ...

SearchSecurity
  • email spam

    Email spam, also known as junk email, refers to unsolicited email messages, usually sent in bulk to a large list of recipients.

  • security policy

    A security policy is a document that states in writing how a company plans to protect its physical and information technology (IT...

  • shadow password file

    A shadow password file, also known as /etc/shadow, is a system file in Linux that stores encrypted user passwords and is ...

SearchHealthIT
SearchDisasterRecovery
  • What is risk mitigation?

    Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.

  • change control

    Change control is a systematic approach to managing all changes made to a product or system.

  • disaster recovery (DR)

    Disaster recovery (DR) is an organization's ability to respond to and recover from an event that affects business operations.

SearchStorage
  • bare-metal restore

    A bare-metal restore (also referred to as bare-metal recovery or bare-metal backup) is a data recovery and restoration process ...

  • mSATA SSD (mSATA solid-state drive)

    An mSATA SSD is a solid-state drive (SSD) that conforms to the mSATA interface specification developed by the Serial ATA (SATA) ...

  • network-attached storage (NAS)

    Network-attached storage (NAS) is dedicated file storage that enables multiple users and heterogeneous client devices to retrieve...

Close