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.

VER - ZUN

  • VeriChip - VeriChip is an injectable identification chip that can be inserted under the skin of a human being to provide biometric verification.
  • vertical cavity surface emitting laser (VCSEL) - A vertical cavity surface emitting laser (VCSEL) is a specialized laser diode that promises to revolutionize fiber optic communications by improving efficiency and increasing data speed.
  • vertical interval time code (VITC) - Vertical interval time code (abbreviated VITC and sometimes pronounced VIHT-see) is a timing signal that is part of a video recording.
  • vertical scalability (scaling up) - Vertical scalability is the ability to increase the capacity of existing hardware or software by adding resources - for example, adding processing power to a server to make it faster.
  • Very Large Scale Integration (VLSI) - VLSI (very large-scale integration) is the current level of computer microchip miniaturization and refers to microchips containing in the hundreds of thousands of transistor s.
  • VHDCI (Very High Density Cable Interconnect) - Very High Density Cable Interconnect (VHDCI) is a compact 68-contact multipurpose connection type.
  • VHS (Video Home System) - VHS (Video Home System) is a widely-adopted videocassette recording (VCR) technology that was developed by Japan Victor Company (JVC) and put on the market in 1976.
  • virtual floppy disk - A virtual floppy disk is an alternative to the traditional floppy that exists as a file rather than a physical medium.
  • 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 memory - Virtual memory is a memory management capability of an operating system (OS) that uses hardware and software to allow a computer to compensate for physical memory shortages by temporarily transferring data from random access memory (RAM) to disk storage.
  • virtual tape - Virtual tape is an archival storage technology that makes it possible to save data as if it were being stored on tape although it may actually be stored on hard disk or on another storage medium.
  • VoIP phone - A VoIP phone is a hardware- or software-based telephone designed to use voice over IP (VoIP) technology to send and receive phone calls over an IP network.
  • VoIP trunk gateway - A VoIP trunk gateway is an interface that facilitates the use of plain old telephone service (POTS) equipment, such as conventional phone sets and fax machines, with a voice over IP (VoIP) network.
  • von Neumann bottleneck - The von Neumann bottleneck is a limitation on throughput caused by the standard personal computer architecture.
  • Voodoo - Voodoo is a graphics accelerator chipset that, depending on the version, is used either with or instead of a computer's video adapter for a more realistic graphics display and improved interactivity, especially for games.
  • VRAM (video RAM) - VRAM (video RAM) is a reference to any type of random access memory (RAM) used to store image data for a computer display.
  • VSPEX BLUE - VSPEX™ BLUE is a hyper-converged appliance from EMC Corporation that includes compute, memory and storage resources in a single device.
  • WAN interface card (WIC) - A WAN interface card, or WIC, is a specialized network interface card (NIC) that allows devices to connect to a wide area network.
  • watchdog timer (WDT) - A watchdog timer (WDT) is a device or electronic card that performs a specific operation after a certain period of time if something goes wrong with an electronic system and the system does not recover on its own.
  • wearable robot - A wearable robot is a machine that facilitates telepresence, a sophisticated form of interactive remote control.
  • WEEE Directive (Waste Electrical and Electronic Equipment Directive) - The Waste Electrical and Electronic Equipment (WEEE) Directive is legislation that, in conjujction with RoHS, mandates targets for the collection, recovery and recycling of electronics and component materials.
  • white space device (WSD) - A white space device is an FCC-certified wireless device that can be used without an exclusive broadcast license in the RF spectrum below 700 MHz: underutilized, unlicensed portions of the spectrum called white space.
  • whiteboard - A whiteboard is a non-electronic variation of the traditional "rewriteable" schoolroom blackboard, but is white instead of black and of a material that can be written on with colored markers (known as dry erase markers).
  • Wiegand - Wiegand is the trade name for a technology used in card readers and sensors, particularly for access control applications.
  • wind turbine - A wind turbine is a power generating device that is driven by the kinetic energy of the wind.
  • Window RAM (WRAM) - Window RAM (WRAM), unrelated to Microsoft Windows, is very high-performance video RAM that is dual-ported and has about 25% more bandwidth than VRAM but costs less.
  • Windows Hardware Quality Labs (WHQL) - Windows Hardware Quality Labs (WHQL) is a Microsoft procedure for certifying that the hardware for peripherals and other components is compatible (works as expected) with Microsoft Windows operating systems.
  • Windows reboot loop - A reboot loop (or boot loop) occurs when a Windows device unexpectedly restarts at some point during its otherwise normal startup process.
  • WinFrame - WinFrame is a software product from Citrix that, together with a Windows NT operating system, allows a computer server to provide Windows applications and data for attached computer workstations.
  • wireless router - A wireless router is a device in a WLAN (wireless local area network) that determines the next network point to which a packet should be forwarded toward its destination.
  • Wirth's Law - Wirth's Law states that computer software increases in complexity faster than does the ability of available hardware to run it.
  • World Wide Name (WWN) - A World Wide Name (WWN) is a unique identifier that is assigned to a manufacturer by the Institute of Electrical and Electronic Engineers (IEEE) and hard-coded into a Fibre Channel (FC) device.
  • WORM (write once, read many) - In computer storage media, WORM (write once, read many) is a data storage technology that allows information to be written to a disc a single time and prevents the drive from erasing the data.
  • WRAM (Window RAM) - Window RAM (WRAM), unrelated to Microsoft Windows, is very high-performance video RAM that is dual-ported and has about 25% more bandwidth than VRAM but costs less.
  • wrap plug - A wrap plug, also known as a loopback plug, is a special plug that can be inserted into a port on a communications device to perform a diagnostic test called a loopback test.
  • WXGA - WXGA, which stands for wide XGA, is a term used in product specifications to describe a display screen that is appropriate for business but is also suitable for watching DVDs.
  • WYSIWYP (what you see is what you print) - WYSIWYP (pronounced wizzy-whip and standing for what you see is what you print) is the ability of an application program, such as a word processor, to generate print versions of content that match what the user sees on the screen.
  • X server - An X server is a server of connections to X terminals in a distributed network that uses the X Window System.
  • X terminal - An X terminal is typically a diskless computer especially designed to provide a low-cost user interface for applications that run in a network X server as part of a distributed X Window System.
  • xerography (electrophotography) - Xerography, also known as electrophotography, is a printing and photocopying technique that works on the basis of electrostatic charges.
  • Yagi antenna (Yagi-Uda array) - A Yagi antenna, also known as a Yagi-Uda array or simply a Yagi, is a unidirectional antenna commonly used in communications when a frequency is above 10 MHz.
  • YANG (data modeling language) - YANG is a data modeling language for the NETCONF configuration management protocol.
  • z990 (T-Rex) - The z990, also known by its code name T-Rex, is a 64-bit mainframe computer from IBM that contains 32 processors, together capable of executing approximately 9,000 million instructions per second (MIPS), nearly three times the processing power.
  • zinc whiskers - Zinc whiskers are tiny growths of elemental zinc that form on the surfaces of objects that are electroplated, or galvanized, with zinc.
  • Zip drive - A Zip drive is a small, portable disk drive used primarily for backing up and archiving personal computer files.
  • zombie server (comatose server) - A zombie server, also known as a comatose server, is one that is plugged in and drawing power but not performing any work and possibly not detectable other than physically.
  • zoned-bit recording (ZBR) - Zoned-bit recording (ZBR) is a method of physically optimizing the utilization of a hard drive by placing more sectors in the outer tracks than in the inner tracks.
  • Zune - The Zune is a portable digital media player from Microsoft.

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