Browse Definitions :

End user hardware

Terms related to peripheral devices including definitions about keyboards or mice and words and phrases about printers, monitors, digital cameras and scanners.

PAG - VXW

  • page description language (PDL) - A page description language (PDL) specifies the arrangement of a printed page through commands from a computer that the printer carries out.
  • patch cord - A patch cord is a length of cable, with connectors on the ends, that is used to connect an end device to something else, such as a power source.
  • pathing (path control) - Pathing (sometimes called path control) is a networking approach used to address the specific needs of storage networks (as compared to ordinary message networks) by changing the way that communication paths are managed and organized.
  • PCI (Peripheral Component Interconnect) - PCI (Peripheral Component Interconnect) is an interconnection system between a microprocessor and attached devices in which expansion slots are spaced closely for high speed operation.
  • PCI-X (Peripheral Component Interconnect Extended) - PCI-X (Peripheral Component Interconnect Extended) is a computer bus technology (the "data pipes" between parts of a computer) that increases the speed that data can move within a computer from 66 MHz to 133 MHz.
  • peripheral - A peripheral (pronounced peh-RIHF-uh-ruhl, a noun truncation of peripheral device, ) is any computer device that is not part of the essential computer (the processor, memory, and data paths) but is situated relatively close by.
  • Peripheral Component Interconnect Express (PCIe, PCI-E) - PCIe is a high-speed serial interconnection standard for connecting peripheral devices to a computer's motherboard.
  • personal area network (PAN) - A personal area network (PAN) is the interconnection of information technology devices within the range of an individual person, typically within a range of 10 meters.
  • phase change - Phase change is a type of compact disk (CD) recording technology that enables the disks to be written, erased, and rewritten through the use of a layer of a special material (called the phase change layer) that can be changed repeatedly from an amorphous (formless) to a crystalline state, or phase-through exposure to variably-powered laser beams.
  • PHOLED (phosphorescent organic light-emitting device) - PHOLED (phosphorescent organic light-emitting device) is a proprietary display technology developed by the Universal Display Corporation (UDC) that uses soluble phosphorescent small molecule materials to create organic light-emitting devices (OLED s).
  • PictBridge - PictBridge is the name of an industry standard for firmware (built-in software) that allows digital cameras and printers to communicate directly with each other.
  • pinout - A pinout is a description of the purpose of each pin (electronic contact) in a multi-pin hardware connection interface.
  • pixie dust or antiferromagnetically-coupled (AFC) media - Pixie dust is the informal name that IBM is using for its antiferromagnetically-coupled (AFC) media technology, which can increase the data capacity of hard drives to up to four times the density possible with current drives.
  • plasma display - A plasma display is a computer video display in which each pixel on the screen is illuminated by a tiny bit of plasma or charged gas, somewhat like a tiny neon light.
  • Playstation - Playstation is a video game console developed by Sony.
  • plotter - A plotter is a printer that interprets commands from a computer to make line drawings on paper with one or more automated pens.
  • Plug and Play (PnP) - Plug and Play (PnP) is a capability developed by Microsoft for its Windows 95 and later operating systems that gives users the ability to plug a device into a computer and have the computer recognize that the device is there.
  • port - On computer and telecommunication devices, a port (noun) is generally a specific place for being physically connected to some other device, usually with a socket and plug of some kind.
  • portable keyboard (handheld keyboard) - A portable keyboard (or handheld keyboard) is one that is designed to be used with wireless devices, such as personal digital assistants (PDAs) and smartphones.
  • portable media center - Portable media center is a term for a handheld multimedia device that can play digital music, image, and movie files that have been downloaded from the Internet or stored on a personal computer.
  • power take-off (PTO) - Power take-off (PTO) is a device that transfers an engine’s mechanical power to another piece of equipment.
  • PPD file (Postscript Printer Description file) - A PPD (Postscript Printer Description) file is a file that describes the font s, paper sizes, resolution, and other capabilities that are standard for a particular Postscript printer.
  • print server - A print server is a software application, network device or computer that manages print requests and makes printer queue status information available to end users and network administrators.
  • printer - A printer is a device that accepts text and graphic output from a computer and transfers the information to paper, usually to standard size sheets of paper.
  • Printer Control Language (PCL) - Printer Control Language (PCL) is a language (essentially, a set of command code s) that enables applications to control HP DeskJet, LaserJet, and other HP printers.
  • PS/2 connector - A PS/2 connector is a round connector with six pins that some makes of personal computer use for the keyboard or mouse connection.
  • QWERTY keyboard - The QWERTY (pronounced KWEHR-tee) keyboard is the standard typewriter and computer keyboard in countries that use a Latin-based alphabet.
  • radio charging - Radio charging is a wireless charging method used to charge items with small batteries and low power requirements, such as watches, hearing aids and wireless keyboards and mice.
  • RAID (redundant array of independent disks) - RAID (redundant array of independent disks) is a way of storing the same data in different places on multiple hard disks or solid-state drives to protect data in the case of a drive failure.
  • Rankine cycle - The Rankine cycle is a method of providing power in a closed system where a fluid is evaporated to perform a task and re-condensed.
  • reconfigurable tactile display (RTD) - A reconfigurable tactile display (RTD) is a control interface that provides physical touch input, but that can be configured by programming.
  • recordable DVD (writable DVD) - Recordable DVD (sometimes called writable DVD) is a DVD technology that allows a PC user to write data one or more times to a DVD with the PC's DVD drive.
  • Reduce, reuse, recycle (R3) - Reduce, reuse and recycle (R3) are the three essential components of environmentally-responsible consumer behavior.
  • refresh - In a computer display, to refresh is to redraw the image information from memory.
  • remote printing - Remote printing is a function in which a computer is used with a distant printer.
  • reprographics - Reprographics is a blanket term encompassing multiple methods of reproducing content, such as scanning, photography, xerography and digital printing.
  • resonance charging - Resonance charging is a wireless charging method for items that require large amounts of power, such as an electric car, robot, vacuum cleaner or laptop computer.
  • RS-232C - RS-232C is a long-established standard ("C" is the current version) that describes the physical interface and protocol for relatively low-speed serial data communication between computers and related devices.
  • scan converter - A scan converter is a hardware device that converts a video signal into a format compatible with a specific type of display.
  • scan set (scan code set) - The scan set, also called the scan code set, is a function that converts keyboard key closures to digital signals the computer interprets as alphanumeric characters and special symbols.
  • scanner - A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display.
  • Scarlet Book - The Scarlet Book is Philips and Sony's 1999 specification document for Super Audio Compact Disc (SACD), a high-resolution audio format that features complex six-channel sound.
  • screen - In a computer display, the screen is the physical surface on which visual information is presented.
  • SCSI (Small Computer System Interface) - Definition: The Small Computer System Interface (SCSI) is a set of parallel interface standards used to attach disk drives and other peripherals to a computer.
  • secondary storage - Secondary storage is storage for noncritical data that will not be frequently accessed.
  • Secure Digital card (SD card) - SD cards use flash memory to provide nonvolatile storage.
  • self-scanning checkout (self-checkout) - Self-scanning checkout, also called "self-checkout" is an automated process that enables shoppers to scan, bag, and pay for their purchases without human assistance.
  • Serial ATA (Serial Advanced Technology Attachment or SATA) - The SATA storage protocol transmits data in serial fashion between hard drives and computer systems.
  • serial communications interface (SCI) - A serial communications interface (SCI) is a device that enables the serial (one bit at a time) exchange of data between a microprocessor and peripherals such as printers, external drives, scanners, or mice.
  • serial port server (serial server or port redirector) - A serial port server, also called a serial server or port redirector, is a device that transfers data between a computer serial port (COM port) and an Ethernet local area network (LAN).
  • Serial Storage Architecture (SSA) - Serial Storage Architecture (SSA) is an open standard for high-speed access to high-capacity disk storage.
  • serial-attached SCSI (SAS) - Serial-attached SCSI (SAS) is a point-to-point protocol used to transfer digital data between servers and SAS storage devices.
  • server accelerator card (SSL card) - A server accelerator card (also known as an SSL card) is a Peripheral Component Interconnect (PCI) card used to generate encryption keys for secure transactions on e-commerce Web sites.
  • SGI (Silicon Graphics) - SGI (Silicon Graphics) is a leading manufacturer of high-performance computing, data management, and visualization products.
  • sheet-fed offset printing - Sheet-fed offset printing is a method in which individual pages of paper are fed into the machine.
  • shuffle mode - In iPod and other audio or multimedia playback applications, shuffle mode is the playing of items in a list in some random fashion.
  • slot (or expansion slot) - In computers, a slot, or expansion slot, is an engineered technique for adding capability to a computer in the form of connection pinholes (typically, in the range of 16 to 64 closely-spaced holes) and a place to fit an expansion card containing the circuitry that provides some specialized capability, such as video acceleration, sound, or disk drive control.
  • Slot 1 - Slot 1 and Slot 2 are names for the way Intel P6-based microprocessors connect to a computer motherboard so that it makes contact with the built-in paths called the data bus.
  • Smart Display - Smart Display is a wireless touch screen display device in development at Microsoft.
  • SOLED (stacked organic light-emitting device) - SOLED (stacked organic light-emitting device) is a display technology from the Universal Display Corporation (UDC) that uses a stack of transparent organic light-emitting devices (TOLED s) to improve resolution and enhance full-color quality.
  • sound card - A sound card (also referred to as an audio card) is a peripheral device that attaches to the ISA or PCI slot on a motherboard to enable the computer to input, process, and deliver sound.
  • standby power - Standby power is electrical power that a device consumes when not in present use, but plugged in to a source of power and ready to be used.
  • storage (computer storage) - Data storage is the collective methods and technologies that capture and retain digital information on electromagnetic, optical or silicon-based storage media.
  • storage at the edge - Storage at the edge is the collective methods and technologies that capture and retain digital information at the periphery of the network, as close to the originating source as possible.
  • storage medium (storage media) - In computers, a storage medium is any technology -- including devices and materials -- used to place, keep and retrieve electronic data.
  • stress testing - Stress testing is the process of determining the ability of a computer, network, program or device to maintain a certain level of effectiveness under unfavorable conditions.
  • stylus - A stylus (pronounced STAI-luhs, from the Latin stilus or "stake") is an instrument for writing and, in computers, an input device used to write text or draw lines on a surface as input to a computer.
  • Super Audio CD (SACD) - Super Audio Compact Disk (SACD) is a high-resolution audio CD format.
  • switch-on-a-chip (SOC) - A switch-on-a-chip (SOC) is a network - typically a storage network - switch (a device that channels incoming data flow from any of multiple input ports to the output port appropriate for its destination) that is built into a single microchip (integrated circuit).
  • tablet (tablet PC) - A tablet is a wireless, portable personal computer with a touchscreen interface.
  • tape backup - Tape can help fix an unstructured data backup issue and is a good archiving medium.
  • tape drive - A tape drive is a device that stores computer data on magnetic tape, especially for backup and archiving purposes.
  • teletypewriter (TTY) - A teletypewriter (TTY) is an input device that allows alphanumeric character to be typed in and sent, usually one at a time as they are typed, to a computer or a printer.
  • terminal - In data communications, a terminal is any device that terminates one end (sender or receiver) of a communicated signal.
  • terminal adapter (TA) - A terminal adapter (TA) is a hardware interface between a computer and an Integrated Services Digital Network line.
  • thermography - Thermography is a printing or imaging method.
  • Thunderbolt - Thunderbolt (code named "Light Peak") is a high-speed, bidirectional input/output (I/O) technology that can transfer data of all types on a single cable at speeds of up to 10 Gbps (billions of bits per second).
  • tiered storage - Tiered storage is a way to assign different categories of data to various types of storage media with the objective of reducing the total cost of storage.
  • TiVo - TiVo is a company offering a branded subscription-based interactive television service that lets viewers program and control which television shows they watch, and when.
  • TOLED (transparent organic light-emitting device) - TOLED (transparent organic light-emitting device) is a display technology being developed by the Universal Display Corporation (UDC) that uses transparent electrodes and light emitting materials in an organic light-emitting device (OLED).
  • touch pad (touchpad) - A touch pad is a device for pointing (controlling input positioning) on a computer display screen.
  • touch screen - A touch screen is a computer display screen that is also an input device.
  • trackball - A trackball is a computer cursor control device used in many notebook and laptop computers.
  • TrackPoint (pointing stick) - A TrackPoint, also called a pointing stick, is a cursor control device found in IBM ThinkPad notebook computers.
  • TWAIN - TWAIN is a widely-used program that lets you scan an image (using a scanner) directly into the application (such as PhotoShop) where you want to work with the image.
  • twisted nematic display (TN display) - A twisted nematic (TN) display is a common type of liquid-crystal display (LCD) that consists of a substance called a nematic liquid crystal that is confined between two plates of polarized glass.
  • two-spindle system (twin-spindle system) - A two-spindle system, also called a twin-spindle system, is a computer design with two internal storage drives.
  • UART (Universal Asynchronous Receiver/Transmitter) - A UART (Universal Asynchronous Receiver/Transmitter) is the microchip with programming that controls a computer's interface to its attached serial devices.
  • unified endpoint management (UEM) - Unified endpoint management (UEM) is an approach to securing and controlling desktop computers, laptops, smartphones and tablets in a connected, cohesive manner from a single console.
  • Universal Plug and Play (UPnP) - Universal Plug and Play (UPnP) is a standard that uses Internet and Web protocols to enable devices such as PCs, peripherals, intelligent appliances, and wireless devices to be plugged into a network and automatically know about each other.
  • USB (Universal Serial Bus, USB 3.0, SuperSpeed USB) - USB (Universal Serial Bus) is a plug-and-play interface between a computer and add-on devices, such as media players, keyboards, telephones, digital cameras, scanners, flash drives, joysticks and printers.
  • USB 3.0 (SuperSpeed USB) - USB 3.0, also known as SuperSpeed USB, is the next major revision of the Universal Serial Bus (USB).
  • USB flash drive - A USB flash drive -- also known as a stick, thumb or pen drive -- is a plug-and-play portable storage device that uses flash memory and can attach to a keychain.
  • USB-C (USB Type C) - USB-C is a connection type standard designed to replace all USB types on the computer and device ends of future USB with a single reversible connector.
  • UXGA (Ultra Extended Graphics Array) - UXGA (Ultra Extended Graphics Array) is a display modein which the resolutionis 1600 pixels horizontally by 1200 pixels vertically (1600 x 1200).
  • VCD (video CD or video compact disc) - VCD (also called video CD, video compact disc or "disc") is a compact diskformat based on CD-ROM XAthat is specifically designed to hold MPEG-1video data and to include interactive capabilities.
  • video card (graphics card) - A video adapter (alternate terms include graphics card, display adapter, video card, video board and almost any combination of the words in these terms) is an integrated circuit card in a computer or, in some cases, a monitor that provides digital-to-analog conversion, video RAM, and a video controller so that data can be sent to a computer's display.
  • virtual keyboard - A virtual keyboard is a computer keyboard that a user operates by typing on or within a wireless- or optical-detectable surface or area rather than by depressing physical keys.
  • virtual storage area network (VSAN) - A virtual storage area network (VSAN) is a logical partition in a physical storage area network (SAN).
  • VxWorks - VxWorks is a real-time operating system (RTOS) that can be used in embedded systems.

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