Browse Definitions :

Hardware

Terms related to computer hardware, including definitions about cables, connectors and power supply units and words and phrases about computing peripheral devices including the keyboard, mouse, audio speakers, and printers.

FIB - IRQ

  • fiber jumper - A fiber jumper, sometimes called a fiber patch cord is a length of fiber cabling fitted with LC, SC, MTRJ or ST connectors at each end.
  • fiberless optics - Fiberless optics, a term that has been trademarked by Terabeam Networks, is a technology for transmitting large amounts of data on light waves sent through space rather than along an optical fiber cable, thus offering a surprising new solution to the so-called last-mile technology problem.
  • field-programmable gate array (FPGA) - A field-programmable gate array (FPGA) is an integrated circuit (IC) that can be programmed in the field after manufacture.
  • field-replaceable unit (FRU) - In electronic hardware, particularly computer systems, a field-replaceable unit (FRU) is a circuit board or part that can be quickly and easily removed and replaced by the user or by a technician without having to send the entire product or system to a repair facility.
  • firmware - Firmware is programming that's written to the non-volatile memory of a hardware device.
  • flash memory - Flash memory, also known as flash storage, is a type of nonvolatile memory that erases data in units called blocks.
  • flash memory card - Flash storage memory cards use nonvolatile semiconductor memory to store pictures, audio and video data on portable and remote devices.
  • flash storage - Flash storage is any type of drive, repository or system that uses flash memory to keep data for an extended period of time.
  • flexography (surface printing) - Flexography, sometimes referred to as "surface printing," is a method commonly used for printing on packaging and other uneven surfaces.
  • flight simulator - A flight simulator is a system (software and hardware) that allows the user to experience what it feels like to pilot a specific type of aircraft.
  • flip flops (bistable gates) - Flip-flops, also called bistable gates, are digital logic circuits that can be in one of two states.
  • FOLED (flexible organic light emitting device) - In display technology, FOLED (flexible organic light emitting device) is an organic light emitting device (OLED) built on a flexible base material, such as clear plastic film or reflective metal foil, instead of the usual glass base.
  • forward error correction (FEC) - Forward error correction (FEC) is a method of obtaining error control in data transmission in which the source (transmitter) sends redundant data and the destination (receiver) recognizes only the portion of the data that contains no apparent errors.
  • FPM DRAM (Fast Page Mode DRAM) - Prior to newer forms of dynamic random access memory (DRAM), FPM DRAM (Fast Page Mode DRAM) was the most common kind of DRAM in personal computers.
  • fuel cell - A fuel cell is an electrochemical cell that derives its energy from combustible substances such as hydrogen, methane, propane, methanol, diesel fuel or even gasoline.
  • Fujitsu Ltd. - Fujitsu Ltd.
  • fullerene - A fullerene is a pure carbon molecule composed of at least 60 atoms of carbon.
  • Galileo - Galileo is the informal name for the European Global Navigation Satellite System (GNSS), a system that will offer users anywhere in the world "near pinpoint" geographic positioning when it becomes fully operational by 2008.
  • gallium arsenide field-effect transistor (GaAsFET) - A gallium arsenide field-effect transistor (GaAsFET) is a specialized type of field-effect transistor (FET) that is used in amplifier circuits at very-high, ultra-high, and microwave radio frequencies.
  • gender changer - A gender changer is a cable adapter that converts a male connector (a connector with one or more pins or plugs) into a female connector (a connector with one or more holes or receptacles) of the same type, or a female connector to a male connector of the same type.
  • geo-fencing (geofencing) - Geo-fencing is a feature in a software program that uses the global positioning system (GPS) or radio frequency identification (RFID) to define geographical boundaries.
  • gigabit interface converter (GBIC) - A gigabit interface converter (GBIC) is a transceiver that converts electric currents (digital highs and lows) to optical signals, and optical signals to digital electric currents.
  • gigabyte - A gigabyte -- pronounced with two hard Gs -- is a unit of data storage capacity that is roughly equivalent to 1 billion bytes.
  • graph theory - Graph theory is the study of points and lines.
  • graphene - Graphene is a highly conductive allotrope of carbon whose atoms are arranged in a mesh- like form a single atom thick.
  • graphene transistor - A graphene transistor is a nanoscale device based on graphene, a component of graphite with electronic properties far superior to those of silicon.
  • graphics accelerator - A graphics accelerator (a chipset attached to a video board) is a computer microelectronics component to which a computer program can offload the sending and refreshing of images to the display monitor and the computation of special effects common to 2-D and 3-D images.
  • gravity (or gravitation) - Gravity, also called gravitation, is a force that exists among all material objects in the universe, attracting objects with non-zero mass toward each other.
  • gravure - Gravure is a printing method in which an image is applied to a printing substrate by use of a metal plate mounted on a cylinder.
  • green networking - Green networking is the practice of selecting energy-efficient networking technologies and products, and minimizing resource use whenever possible.
  • gremlin - A gremlin is an imaginary creature that causes trouble in devices and systems of all kinds.
  • grid storage - Grid storage is a general term for any approach to storing data that employs multiple self-contained storage nodes interconnected so that any node can communicate with any other node without the data having to pass through a centralized switch.
  • hard disk - A hard disk is part of a unit -- often called a disk drive, hard drive or hard disk drive -- that stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces.
  • hard drive overwriter - In e-cycling, a hard drive overwriter is a program or utility that repeatedly overwrites the data on a computer's hard drive with gibberish.
  • hard drive shredder - A hard drive shredder is a mechanical device that physically destroys old hard drives in such a way that the data they contain cannot be recovered.
  • hard-drive encryption - Hard-drive encryption is a technology that encrypts the data stored on a hard drive using sophisticated mathematical functions.
  • hardware abstraction layer (HAL) - In computers, a hardware abstraction layer (HAL) is a layer of programming that allows a computer operating system to interact with a hardware device at a general or abstract level rather than at a detailed hardware level.
  • Hardware as a Service (HaaS) - Hardware as a Service (HaaS) is a service provision model for hardware that is defined differently in managed services and grid computing contexts.
  • Hardware as a Service (in grid computing) - Hardware as a Service (Haas), in a grid computing context, is a pay-as-you-go model for accessing a provider's infrastructure and CPU power.
  • hardware clustering - Hardware clustering (sometimes called operating system clustering) is a hardware-based method of turning multiple servers into a cluster (a group of servers that acts like a single system).
  • hardware emulation - Hardware emulation is the use of one hardware device to mimic the function of another hardware device.
  • hardware load-balancing device (HLD) - A hardware load-balancing device (HLD), also known as a layer 4-7 router, is a physical unit that directs computers to individual servers in a network, based on factors such as server processor utilization, the number of connections to a server, or the overall server performance.
  • hardware security - Hardware security is vulnerability protection that comes in the form of a physical device rather than software that is installed on the hardware of a computer system.
  • hardware security module (HSM) - A hardware security module (HSM) is a physical device that provides extra security for sensitive data.
  • hardware virtualization - Hardware virtualization, which is also known as server virtualization or simply virtualization, is the abstraction of computing resources from the software that uses those resources.
  • hardware VPN - A hardware VPN is a virtual private network ( VPN) based on a single, stand-alone device.
  • hardware-as-a-service (in managed services) - Hardware-as-a-service (HaaS) is a procurement model that is similar to leasing or licensing in which hardware that belongs to a managed service provider (MSP) is installed at a customer's site and a service level agreement (SLA) defines the responsibilities of both parties.
  • Hayes command set - Hayes command set is a specific programming language originally developed for the Hayes Smartmodem 300 baud modem during the late 1970s.
  • 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 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.
  • HDCD (High Definition Compatible Digital) - HDCD (High Definition Compatible Digital) is a digital encoding and decoding process for compact disc and DVD audio recording.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • holographic storage (holostorage) - Holographic storage is computer storage that uses laser beams to store computer-generated data in three dimensions.
  • horizontal scalability (scaling out) - Horizontal scalability is the ability to connect multiple hardware or software entities so that they work as a single logical unit.
  • host bus adapter (HBA) - A host bus adapter (HBA) provides physical connectivity and input/output between a server and a network and/or storage device.
  • host virtual machine (host VM) - A host virtual machine is the server component of a virtual machine (VM), the underlying hardware that provides computing resources to support a particular guest virtual machine (guest VM).
  • hot plug - Hot plug is the addition of a component to a running computer system without significant interruption to the operation of the system.
  • hot swap - A hot swap is the replacement of a hard drive, CD-ROM drive, power supply, or other device with a similar device while the computer system using it remains in operation.
  • hot/cold aisle - Hot aisle/cold aisle is a layout design for server racks and other computing equipment in a data center.
  • HP 9000 - The HP 9000 is a line of UNIX-based business servers from Hewlett-Packard (HP) with server models that span enterprise applications from the "entry-level" (branch or department-level computers, Web hosting servers, and so forth) through the midrange with needs for handling advanced enterprise resource planning (ERP) and analytical customer resource management (CRM) up to its high-end servers for very computing-intensive applications.
  • HP e3000 - The HP e3000 is a line of midrange business servers that carries on the well-known series of 3000 computers from Hewlett-Packard (HP).
  • HSM (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.
  • HVAC (heating, ventilation, and air conditioning) - HVAC stands for heating, ventilation, and air conditioning.
  • hybrid hard drive (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.
  • hyper-converged appliance - A hyper-converged appliance is a hardware device that provides multiple data center management technologies within a single box.
  • Hyper-Threading - Hyper-Threading is a technology used by some Intel microprocessors that allows a single microprocessor to act like two separate processors to the operating system and the application programs that use it.
  • I2S (SQUID) - I2S (Inter-IC Sound) is a serial bus (path) design for digital audio devices and technologies such as compact disc (CD) players, digital sound processors, and digital TV (DTV) sound.
  • IBM Power9 Server - IBM Power9 Server is a series of high-end enterprise-level servers, part of the company’s Power Systems line.
  • IBM Roadrunner - Roadrunner is the fastest supercomputer in the world, twice as fast as Blue Gene and six times as fast as any of the other current supercomputers.
  • iButton - An iButton is a microchip similar to those used in a smart card but housed in a round stainless steel button of 17.
  • IDE (Integrated Drive Electronics) - Integrated Drive Electronics (IDE) refers to the integration of the controller and drive.
  • imagesetter - An imagesetter is a high resolution output device that can transfer electronic text and graphics directly to film, plates, or photo-sensitive paper.
  • immutable infrastructure - Immutable infrastructure is an approach to managing services and software deployments on IT resources wherein components are replaced rather than changed.
  • IMS - IMS (Information Management System) is a database and transaction management system that was first introduced by IBM in 1968.
  • IMS (Intelligent Manufacturing Systems) - IMS (Intelligent Manufacturing Systems) is the name of an international organization devoted to developing the next generation of manufacturing and processing technologies.
  • in-circuit emulator (ICE) - An in-circuit emulator (ICE) is a hardware interface that allows a programmer to change or debug the software in an embedded system.
  • inductive charging - Inductive charging is a wireless charging method used for charging mid-sized items such as cell phones, MP3 players and PDAs.
  • injectable ID chip (biochip transponder) - An injectable ID chip, also called a biochip transponder, is an electronic device that is inserted under the skin of an animal to provide the animal with a unique identification number.
  • inkjet printer - An inkjet printer is a computer peripheral that produces hard copy by spraying ink onto paper.
  • instruction - An instruction is an order given to a computer processor by a computer program.
  • Intel 8008 - The Intel 8008, originally called the 1201, was one of the first microprocessors ever developed.
  • Intel Atom - Atom is Intel's family of x86 and x86-64 processors that are optimized for small computing devices, such as smartphones and mobile Internet devices (MIDs).
  • intelligent character recognition (ICR) - Intelligent character recognition (ICR) is the computer translation of manually entered text characters into machine-readable characters.
  • intelligent device - An intelligent device is any type of equipment, instrument, or machine that has its own computing capability.
  • Intelligent Platform Management Interface (IPMI) - Intelligent Platform Management Interface (IPMI) is a specification for the equipment that monitors the physical environment and behavior of a server.
  • intelligent switch - An intelligent switch is a high-level storage area network (SAN) routing switch that provides features such as storage virtualization, quality of service (QoS), remote mirroring, data sharing, protocol conversion, and advanced security.
  • intelligent verification - Intelligent verification is a software process that allows engineers and technicians to use computers to ensure that a hardware design will perform as expected once the device has been fabricated or built.
  • inverse-square law - The inverse-square law is a principle that expresses the way radiant energy propagates through space.
  • ion pump - An ion pump is a device that can cool, clean and filter air without the use of conventional fans or other moving parts.
  • IP core (intellectual property core) - An IP (intellectual property) core is a block of logic or data that is used in making a field programmable gate array (FPGA) or application-specific integrated circuit (ASIC) for a product.
  • IP PBX (private branch exchange) - An IP PBX is a private branch exchange (telephone switching system within an enterprise) that switches calls between VoIP (voice over Internet Protocol or IP) users on local lines while allowing all users to share a certain number of external phone lines.
  • IP surveillance - IP surveillance is a digitized and networked version of closed-circuit television (CCTV).
  • iPad - The iPad is a touchscreen tablet PC made by Apple.
  • iPad 2 - The iPad 2 is a 9.
  • IRQ (interrupt request) - An IRQ (interrupt request) value is an assigned location where the computer can expect a particular device to interrupt it when the device sends the computer signals about its operation.

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