Browse Definitions :

Browse Definitions by Alphabet

HEA - HIG

  • 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.
  • heatset Web offset printing - Heatset web offset printing is a printing process in which ink is dried rapidly by forced-air heating.
  • heatsink - 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.
  • 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.
  • helical antenna - A helical antenna is a specialized antenna that emits and responds to electromagnetic fields with rotating (circular)polarization.
  • helical scan - Helical scan is a way of recording information onto magnetic tape.
  • 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 application - In certain earlier versions of Netscape and perhaps other Web browser, a helper application is a program that can be designated to handle a particular file type that the browser has received.
  • 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.
  • help file - A help system (sometimes called a help file) is a documentation component of a software program that explains the features of the program and helps the user understand its capabilities.
  • help system - A help system (sometimes called a help file) is a documentation component of a software program that explains the features of the program and helps the user understand its capabilities.
  • help system (help file) - A help system (sometimes called a help file) is a documentation component of a software program that explains the features of the program and helps the user understand its capabilities.
  • henry - The henry (symbolized H) is the Standard International (SI) unit of inductance.
  • henry (H) - The henry (symbolized H) is the Standard International (SI) unit of inductance.
  • henry per meter - The henry per meter (symbolized H/m) is the unit of magnetic permeability in the International System of Units (SI).
  • henry per meter (H/m) - The henry per meter (symbolized H/m) is the unit of magnetic permeability in the International System of Units (SI).
  • Herman Hollerith - Born in 1860 in Buffalo, NY, Herman Hollerith was the creator of the Hollerith Electric Tabulating System, the ancestor to computers as we know them today.
  • Heroku - Heroku is a cloud-based development platform as a service (PaaS) provider.
  • hertz - Hertz is a unit of frequency (of change in state or cycle in a sound wave, alternating current, or other cyclical waveform) of one cycle per second.
  • heterogeneous - Heterogeneous (pronounced HEH-tuh-roh-DJEEN-ee-uhs, from the Greek heteros or "other" and genos or "kind") is the characteristic of containing dissimilar constituents.
  • heuristic - As an adjective, heuristic (pronounced hyu-RIS-tik and from the Greek "heuriskein" meaning "to discover") pertains to the process of gaining knowledge or some desired result by intelligent guesswork rather than by following some preestablished formula.
  • Hewlett Packard - HP (Hewlett-Packard) is a prominent IT company based in Palo Alto, California.
  • Hewlett Packard Enterprise (HP Enterprise, HPE) - Hewlett Packard Enterprise (HP Enterprise, also known as HPE) is an American multinational company that specializes in business IT (information technology).
  • Hewlett-Packard - HP (Hewlett-Packard) is a prominent IT company based in Palo Alto, California.
  • Hewlett-Packard (HP) - HP (Hewlett-Packard) is a prominent IT company based in Palo Alto, California.
  • hexadecimal - Hexadecimal describes a base-16 number system.
  • HFC - A hybrid fiber coaxial (HFC) network is a telecommunication technology in which optical fiber cable and coaxial cable are used in different portions of a network to carry broadband content (such as video, data, and voice).
  • HFC network - A hybrid fiber coaxial (HFC) network is a telecommunication technology in which optical fiber cable and coaxial cable are used in different portions of a network to carry broadband content (such as video, data, and voice).
  • HHD - A hybrid hard drive (HHD), sometimes known as a solid-state hybrid drive (SSHD), is a mass storage device that combines a conventional hard disk drive and a NAND flash module.
  • HHR - A hybrid health record (HHR) is documentation of an individual's health information that is tracked in multiple formats and stored in multiple places.
  • HHS - The U.S.
  • HI MEMS cyborg insects - The Hybrid Insect Micro-Electro-Mechanical Systems (HI-MEMS) program, also known as the cybug program, is a proposal from the Defense Advanced Research Projects Agency (DARPA) to encourage the development of cyborg insects that can be controlled by humans.
  • HI-MEMS cyborg insects - The Hybrid Insect Micro-Electro-Mechanical Systems (HI-MEMS) program, also known as the cybug program, is a proposal from the Defense Advanced Research Projects Agency (DARPA) to encourage the development of cyborg insects that can be controlled by humans.
  • HI-MEMS cyborg insects (Hybrid Insect Micro-Electro-Mechanical Systems) - The Hybrid Insect Micro-Electro-Mechanical Systems (HI-MEMS) program, also known as the cybug program, is a proposal from the Defense Advanced Research Projects Agency (DARPA) to encourage the development of cyborg insects that can be controlled by humans.
  • Hibernate - Hibernate is an open source object relational mapping (ORM) framework designed to facilitate the creation of database-oriented Java web applications.
  • hibernation - Hibernation is a mode in which a computer is turned off but saves its state to resume when it is turned on again.
  • hiccup - In information technology, hiccup is an informal term for a non-recurring problem of indeterminate cause that usually does not cause a significant disruption of work or activity.
  • Hick's law - Hick's law is a psychological principle which states that the more options are available to a person, the longer it will take for him or her to make a decision about which option is best.
  • hidden Internet - Deep Web content includes email messages, chat messages, private content on social media sites, electronic bank statements, electronic health records and other content that is accessible over the Internet but is not crawled and indexed by search engines.
  • HIDS - Host intrusion detection systems (HIDS) and network intrusion detection systems (NIDS) are methods of security management for computers and networks.
  • HIDS NIDS - Host intrusion detection systems (HIDS) and network intrusion detection systems (NIDS) are methods of security management for computers and networks.
  • HIDS/NIDS (host intrusion detection systems and network intrusion detection systems) - Host intrusion detection systems (HIDS) and network intrusion detection systems (NIDS) are methods of security management for computers and networks.
  • 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.
  • hierarchical corporate culture - A hierarchical corporate culture is an organizational model based on clearly defined corporate levels and structures.
  • hierarchical menu - A hierarchical menu is a multi-level arrangement of options, organized to allow users to find information, tools, or functions more easily than they could in an unstructured presentation.
  • Hierarchical Mobile IPv6 - Hierarchical Mobile IPv6 (HMIPv6) is the proposed enhancement of Mobile Internet Protocol versions 6 (MIPv6) that is designed to reduce the amount of signaling required and to improve handoffspeed for mobile connections.
  • Hierarchical Mobile IPv6 (HMIPv6) - Hierarchical Mobile IPv6 (HMIPv6) is the proposed enhancement of Mobile Internet Protocol versions 6 (MIPv6) that is designed to reduce the amount of signaling required and to improve handoffspeed for mobile connections.
  • Hierarchical Storage Management - HSM (Hierarchical Storage Management) is policy-based management of file backup and archiving in a way that uses storage devices economically and without the user needing to be aware of when files are being retrieved from backup storage media.
  • hierarchy - A hierarchy is an organizational structure in which items are ranked according to levels of importance.
  • Higgins Project - The Higgins Trust Framework (HTF) is an API (application program interface) that allows end users to store identity information in locations of their choice and share portions of that information anonymously with online vendors and service providers in a controlled manner.
  • Higgins Trust Framework - The Higgins Trust Framework (HTF) is an API (application program interface) that allows end users to store identity information in locations of their choice and share portions of that information anonymously with online vendors and service providers in a controlled manner.
  • Higgins Trust Framework (HTF) - The Higgins Trust Framework (HTF) is an API (application program interface) that allows end users to store identity information in locations of their choice and share portions of that information anonymously with online vendors and service providers in a controlled manner.
  • High Altitude Long Operation - A HALO (High Altitude Long Operation) aircraft is an aircraft designed to act as a very high altitude receiving and transmitting tower, circling a metropolitan area and providing broadband telecommunication service at data rates up to 5 Mbps to homes and up to 25 Mbps to business users with dedicated lines.
  • High Availability - VMware vSphere HA (High Availability) is a utility included in VMware's vSphere software that can restart failed virtual machines (VMs) on alternative host servers to reduce application downtime.
  • high availability - In information technology, high availability refers to a system or component that is continuously operational for a desirably long length of time.
  • high availability (HA) - High availability (HA) is the ability of a system or system component to be continuously operational for a desirably long length of time.
  • high availability cluster (HA cluster) - A high availability cluster is a group of hosts that act like a single system and provide continuous uptime.
  • High bandwidth Digital Content Protection - 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).
  • High bit rate Digital Subscriber Line - Also see our Fast guide to DSL.
  • High bit-rate Digital Subscriber Line - Also see our Fast guide to DSL.
  • High bit-rate DSL - Also see our Fast guide to DSL.
  • High Definition Compatible Digital - HDCD (High Definition Compatible Digital) is a digital encoding and decoding process for compact disc and DVD audio recording.
  • 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.
  • High Definition Multimedia Interface - 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.
  • High Definition Multimedia Interface - HDMI (High-Definition Multimedia Interface) is an industry standard for creating audio and video connections between high-definition electronic devices.
  • high definition television - HDTV (high definition television) is a television display technology that provides picture quality similar to 35 mm.
  • 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.
  • 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.
  • High Density Read Only Memory - 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.
  • High Level Assembler - High Level Assembler (HLASM) is IBM's assembler programming language and the assembler itself for the IBM z/OS, z/VM, OS/390, MVS, VM, and VSE operating systems.
  • High Level Assembler (HLASM) - High Level Assembler (HLASM) is IBM's assembler programming language and the assembler itself for the IBM z/OS, z/VM, OS/390, MVS, VM, and VSE operating systems.
  • 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).
  • high performance computing - High-performance computing (HPC) is the use of parallel processing for running advanced application programs efficiently, reliably and quickly.
  • High Performance File System - HPFS (High Performance File System) is the file system introduced with IBM's OS/2 Version 1.
  • High Performance Parallel Interface - HIPPI (High-Performance Parallel Interface) is a standard point-to-point protocol for transmitting large amounts of data at up to billions of bits per second over relatively short distances, mainly on local area networks (LAN s).
  • High Speed Circuit Switched Data - High-Speed Circuit-Switched Data (HSCSD) is circuit-switched wireless data transmission for mobile users at data rates up to 38.
  • high speed dial-up - High-speed dialup, sometimes advertised as broadband dialup, is an Internet service provider (ISP) feature that speeds up data transfer by using a special server, called an acceleration server, to act as a bridge between the user's dialup connection and a Web page.
  • High Speed Downlink Packet Access - High-Speed Downlink Packet Access (HSDPA) is a packet-based mobile telephony protocol used in 3G UMTS radio networks.
  • High Speed Serial Interface - High-Speed Serial Interface (HSSI) is a short-distance communications interface that is commonly used to interconnect routing and switching devices on local area networks (LANs) with the higher-speed lines of a wide area network (WAN).
  • high value government data - According to the Open Government Directive, high value government data is any data that can increase agency accountability and responsiveness; improve public knowledge of the agency and its operations; further the core mission of the agency; create economic opportunity; or respond to need and demand as identified through public consultation.
  • High-bandwidth Digital Content Protection - 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).
  • 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.
  • High-Definition Multimedia Interface - HDMI (High-Definition Multimedia Interface) is an industry standard for creating audio and video connections between high-definition electronic devices.

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