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.

INK - MOT

  • 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.
  • iSCSI switch (Internet Small Computer System Interface switch) - An iSCSI switch is an appliance that processes and channels data between an iSCSI initiator and target on a storage device.
  • iSeries (i5, i5 Series) - iSeries is IBM's midrange server line, designed for small businesses and departments in large enterprises.
  • IT aftermarket (tech secondary market) - The IT aftermarket(also called the tech secondary market) is an industry segment of tech resellers and active consumers that are buying and selling IT equipment outside of the channel endorsed by manufacturers.
  • IT asset disposition (ITAD) - IT asset disposition (ITAD) is the business built around disposing of obsolete or unwanted equipment in a safe and ecologically-responsible manner.
  • IT consultant - A consultant is an experienced individual in a given field who provides expert advice for a fee.
  • IT solution - An information technology (IT) solution is a set of related software programs and/or services that are sold as a single package.
  • Jack Kilby - Jack Kilby is generally credited with being the inventor of the integrated circuit (IC).
  • Java Ring - A Java Ring is a finger ring that contains a small microprocessor with built-in capabilities for the user, a sort of smart card that is wearable on a finger.
  • JBOD (just a bunch of disks or just a bunch of drives) - JBOD ("just a bunch of disks") refers to a computer's hard disks that haven't been configured according to the RAID system.
  • JEDEC SDRAM (Joint Electron Device Engineering Council synchronous DRAM) - JEDEC (Joint Electron Device Engineering Council) SDRAM is an industry standard synchronous DRAM.
  • jitter buffer - In voice over IP (VoIP), a jitter buffer is a shared data area where voice packets can be collected, stored, and sent to the voice processor in evenly spaced intervals.
  • joystick - In computers, a joystick is a cursor control device used in computer games and assistive technology.
  • just-in-case manufacturing (JIC manufacturing) - Just-in-case (JIC) manufacturing is the traditional model of production, in which products are created in advance and in excess of demand.
  • keylogger (keystroke logger or system monitor) - A keylogger, sometimes called a keystroke logger or system monitor, is a type of surveillance technology used to monitor and record each keystroke typed on a specific computer's keyboard.
  • keyphone (K/P or key station) - Commonly used by a company within its private automatic branch exchange (PABX) telephone system, a keyphone (abbreviated as K/P, sometimes called a key station) is a telephone with the extra buttons and the intelligence to allow incoming calls to be transferred to other extensions.
  • kill switch - A kill switch is a mechanism used to shut down or disable machinery or a device or program.
  • kilobyte (KB or Kbyte*) - As a measure of computer memory or storage, a kilobyte (KB or Kbyte*) is approximately a thousand bytes (actually, 2 to the 10th power, or decimal 1,024 bytes).
  • Kindle Fire - Kindle Fire is a low-priced tablet computer from Amazon.
  • L1 and L2 - L1 and L2 are levels of cache memory in a computer.
  • lambda switching (photonic switching, or wavelength switching) - Lambda switching (sometimes called photonic switching, or wavelength switching) is the technology used in optical networking to switch individual wavelengths of light onto separate paths for specific routing of information.
  • laser - A laser is a coherent and focused beam of photons; coherent, in this context, means that it is all one wavelength, unlike ordinary light which showers on us in many wavelengths.
  • LCD (Liquid Crystal Display) - LCD (Liquid Crystal Display) is a type of flat panel display which uses liquid crystals in its primary form of operation.
  • LEED (Leadership in Energy and Environmental Design) - LEED (Leadership in Energy and Environmental Design) is an ecology-oriented building certification program run under the auspices of the U.
  • Lenovo Converged HX series - HX hyper-converged infrastructure appliances are designed for virtual desktop infrastructure (VDI), server virtualization, private and hybrid clouds, enterprise applications and remote/branch office (ROBO) environments.
  • Lenovo IdeaPad Yoga - The Lenovo IdeaPad Yoga is a line of convertible tablet computers that run the Windows operating system.
  • level of support (support level) - Level of support indicates a specific extent of technical assistance in the total range of assistance that is provided by an information technology product (such as a software product) to its customers.
  • limited combustible cable (LCC) - Limited combustible cable (LCC), also called CMP-50 cable, is fire-resistant cable with insulation made of a synthetic material called fluorinated ethylene propylene (FEP).
  • line doubler - A line doubler is an electronic device that converts analog or digital television (TV) video signals into a format suitable for display on a computer monitor.
  • LinuxONE - LinuxONE is a mainframe series that runs on Linux created by IBM as a way of competing with cloud computing solutions.
  • lithium polymer battery (LiPo) - A lithium-polymer battery (LiPo) is a rechargeable battery that, in the case of true LiPo, uses solid polymer for the electrolyte and lithium for one of the electrodes.
  • load balancing - Load balancing is a technique used to distribute workloads uniformly across servers or other compute resources to optimize network efficiency, reliability and capacity.
  • load testing - Load testing is the process of subjecting a computer, peripheral, server, network or application to a work level approaching the limits of its specifications.
  • logic simulator - A logic simulator is a computer program that allows designers and experimenters to conduct virtual tests of complex digital systems before working with any hardware.
  • logical AND symbol - For a practical application, see logic gate.
  • logical partition (LPAR) - A logical partition (LPAR) is the division of a computer's processor s, memory, and storage into multiple sets of resources so that each set of resources can be operated independently with its own operating system instance and application s.
  • long-haul optics - Long-haul optics refers to the transmission of visible light signals over optical fiber cable for great distances, especially without or with minimal use of repeaters.
  • loose coupling - Loose coupling is a method of interconnecting the components in a system or network so that those components, also called elements, depend on each other to the least extent practicable.
  • LTO (Linear Tape-Open) tape - LTO (Linear Tape-Open) tape is an open-format tape storage technology created by Hewlett-Packard (HP), International Business Machines (IBM) and Seagate Technology.
  • Mac mini - The Mac mini from Apple is a low-cost and very compact personal computer that runs the Mac OS X operating system and is sold without a display, keyboard, or mouse.
  • 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.
  • magnetic resonance imaging (MRI) - Magnetic resonance imaging (MRI) is a method of obtaining images of the interiors of objects, especially living things such as humans and animals.
  • 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.
  • 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.
  • Mammoth - Mammoth is a magnetic tape and drive system used for computer data storage and archiving.
  • MDI/MDIX (medium dependent interface/MDI crossover) - MDI/MDIX is a type of Ethernet port connection using twisted pair cabling.
  • mean-swap-between-failure (MSBF) - Mean-swap-between-failure (MSBF) is a measure used by at least one company to express the reliability of an automated tape library system in which a robot is used to automatically swap tape cartridges when needed.
  • Media Access Control layer (MAC layer) - In the Open Systems Interconnection (OSI) model of communication, the Media Access Control layer is one of two sublayers of the Data Link Control layer and is concerned with sharing the physical connection to the network among several computers.
  • megabyte (MB) - As a measure of computer processor storage and real and virtual memory, a megabyte (abbreviated MB) is 2 to the 20th power bytes, or 1,048,576 bytes in decimal notation.
  • megabytes per second (MBps) - Megabytes per second (MBps) describes a unit of data transfer to and from a computer storage device.
  • megachips per second (Mcps) - Megachips per second (Mcps) is a measure of the speed with which encoding elements, called chips (not to be confused with microchips), are generated in Direct Sequence Spread Spectrum (DSSS) signals.
  • megaflop - A megaflop is a measure of a computer's speed.
  • megahertz (MHz) - The megahertz, abbreviated MHz, is a unit of alternating current (AC) or electromagnetic (EM) wave frequency equal to one million hertz (1,000,000 Hz).
  • megapixel - A megapixel (that is, a million pixels) is a unit of image sensing capacity in a digital camera.
  • memory - Memory is the electronic holding place for instructions and data that your computer's microprocessor can reach quickly.
  • memory mirroring - Memory mirroring is the division of memory on a server into two channels.
  • memory read error - A memory read error is a malfunction that occurs when data is being accessed from memory for use by a program, or when a value read from RAM fails to match an expected value.
  • memristor - A memristor is a type of resistor in which the flow of electrical current in an electronic circuit is determined by the amount of charge that has previously flowed through it.
  • memtest86 - Memtest86 is an open source diagnostics utility for testing a computer's random access memory (RAM) on an x86 machine.
  • mesh network topology (mesh network) - A mesh network is a network in which the devices -- or nodes -- are connected so that at least some, and sometimes all, have multiple paths to other nodes.
  • mezzanine - Mezzanine is a term used to describe the stacking of computer component cards into a single card that then plugs into the computer bus or data path.
  • MFSK (multiple frequency shift keying) - MFSK (multiple frequency shift keying), also called multi-frequency shift keying, is a method of signal modulation in which discrete audio tone bursts of various frequencies convey digital data.
  • mickey - The mickey, in a computing context, is a unit for the smallest detectable movement of a mouse.
  • Micro Channel Architecture (MCA) - Developed by IBM for its line of PS/2 desktop computers, Micro Channel Architecture is an interface between a computer (or multiple computers) and its expansion cards and their associated devices.
  • micro fuel cell - A micro fuel cell is a power source for electronic devices that converts chemical energy into electrical energy.
  • micro-datacenter - Micro-datacenters are very small self-contained data center systems that include all the necessary technologies for power, security, cooling and infrastructure management.
  • micrometer - A micrometer (sometimes expressed using the obsolete term, micron), is one-millionth of a meter and can also be expressed as:10 -6 meterOne thousandth of a millimeterOne 25-thousandth of an inchThe micrometer is a unit of measure for the core in optical fiber, for which the most common diameter is 62.
  • micron - The micron, officially obsolete as a term of measurement, is sometimes used by microchip and wiring manufacturers in place of micrometer, one-millionth of a meter.
  • microrobot - A microrobot is a miniaturized, sophisticated machine designed to perform a specific task or tasks repeatedly and with precision.
  • microserver - A microserver, also known as a server appliance, is a compact, less expensive, modular hardware platform designed to make installation and maintenance simpler than traditional enterprise-class rack servers.
  • Microsoft System Center Mobile Device Manager (MSCMDM) - Microsoft System Center Mobile Device Manager (MSCMDM) is server-based software that allows enterprise IT professionals to manage and automate tasks for Windows Mobile devices.
  • midrange - In general, midrange refers to computers that are more powerful and capable than personal computers but less powerful and capable than mainframe computers.
  • MIMO (multiple input, multiple output) - MIMO (multiple input, multiple output) is an antenna technology for wireless communications in which multiple antennas are used at both the source (transmitter) and the destination (receiver).
  • Mini-ITX - Mini-ITX is a compact motherboard configuration designed to support relatively low-cost computers in small spaces such as in automobiles, set-top box es, and network devices.
  • minicomputer - A minicomputer, a term no longer much used, is a computer of a size intermediate between a microcomputer and a mainframe.
  • MISO (multiple input, single output) - MISO (multiple input, single output) is an antenna technology for wireless communications in which multiple antennas are used at the source (transmitter).
  • mobile Internet device (MID) - A mobile Internet device (MID) is a handheld device that is larger than a smartphone but smaller than a netbook.
  • Molex - In business since 1938, Molex manufactures electronic, electrical, and optical fiber connectors.
  • Moore's Law - The original Moore's Law derives from a speech given by Gordon Moore, later a founder of Intel, in 1965, in which he observed that the number of microcomponents that could be placed in an integrated circuit (microchip) of the lowest manufacturing cost was doubling every year and that this trend would likely continue into the future.
  • MOSFET (metal-oxide semiconductor field-effect transistor) - MOSFET (metal-oxide semiconductor field-effect transistor is a special type of field-effect transistor (FET) that works by electronically varying the width of a channel along which charge carriers (electrons or holes) flow.

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