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IT Fundamentals - Peripherals
CC-BY-SA source: https://en.wikiversity.org/wiki/IT_Fundamentals/Peripherals
Terms in this set (58)
Auxiliary device used for computer input, output, or data storage.
Keyboards, pointing devices, scanners, microphones, and webcams.
Monitors, printers, and speakers.
data storage devices
Hard drives, flash drives, optical drives, Network Attached Storage (NAS), media players, and smart phones.
A power plug and socket connector that allows electrically operated equipment to be connected to the primary power supply in a building.
A cylindrical plug and socket connector, typically with two, three or four contacts, used for analog audio signals.
A digital optical disc data storage format designed to supersede the DVD format, with a storage capacity of 25 GB per layer, and dual layer discs (50 GB) being the industry standard for high definition (1080p) feature-length video discs.
A digital optical disc data storage format originally developed to store and play only sound recordings (CD-DA), but was later adapted for storage of data (CD-ROM), with a storage capacity of 737 MB.
A pre-pressed optical compact disc which contains data and is not writable or erasable.
A compact disc that can be written, read arbitrarily many times, erased and written again.
An analog video signal that uses RCA connectors and has been split into separate signals for red, green, and blue.
A vacuum tube containing one or more electron guns, and a fluorescent screen used to view images.
An electrical connector for supplying power to components inside the computer case.
A digital optical disc storage format with a storage capacity of 4.7 GB for a single-layered, single-sided disc and 8.5 GB for a dual-layered, single-sided disc.
A derivative of the DVD-R format standard which holds 8.5 GB by utilizing two recordable dye layers, each capable of storing a little less than the 4.7 gigabyte (GB) of a single layer disc.
A DVD that typically has a storage capacity of 4.7 GB and can be written once and read arbitrarily many times.
A rewritable DVD technology perceived as being better than other DVD technologies for traditional computer usage tasks such as general data storage, and especially data backup and archival.
A pre-recorded DVD mass-produced using molding machines that physically stamp data onto the DVD, and which can only be read and not written or erased.
A rewritable optical disc with equal storage capacity to a DVD-R, typically 4.7 GB, that stores data in one long spiral track.
A digital video display interface used to connect a video source to a display device.
Provides a variant of SATA meant for external connectivity with a more robust connector, longer shielded cables, and stricter electrical standards.
external hard drive
A data storage device used for storing and retrieving digital information, connected via USB, eSATA, FireWire, or Thunderbolt.
The telephonic transmission of scanned printed material.
An interface standard for a serial bus for high-speed communications and isochronous real-time data transfer developed by Apple and replaced with Thunderbolt.
A data storage device that includes flash memory, typically with an integrated Universal Serial Bus (USB) interface.
flatscreen display / flat panel display
A light, thin display usually based on LCD technologies, and back-lit to make them easier to read in bright environments.
A proprietary audio/video interface for transferring uncompressed video data and compressed or uncompressed digital audio data from a compliant source device to a compatible computer monitor, video projector, digital television, or digital audio device.
A type of computer printer that recreates a digital image by propelling droplets of ink onto paper, plastic, or other substrates.
An input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.
A typewriter-style device, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches.
An electrostatic digital printing process that passes a laser beam back & forth over an electron-charged, cylindrical drum, to define a differentially-charged image.
An electronic flash memory data storage device used for storing digital information, commonly used in many electronic devices, including digital cameras, mobile phones, laptop computers, MP3 players and video game consoles.
An acoustic-to-electric transducer or sensor that converts sound in air into an electrical signal.
A technical standard that describes a protocol, digital interface and connectors and allows a wide variety of electronic musical instruments, computers and other related devices to connect and communicate with one another.
mobile media player
A portable digital consumer electronics device capable of storing and playing digital media such as audio, images, and video files.
A pointing device that detects two-dimensional motion relative to a surface.
A file-level computer data storage server connected to a computer network providing data access to a heterogeneous group of clients.
A communication interface based on a 25-pin connector, also known as a printer port or Centronics port.
An optical device that projects an image (or moving images) onto a surface.
A 6-pin Mini-DIN connector used for connecting some keyboards and mice to a PC compatible computer system.
A 6 position 2, 4 or 6 contact modular connector typically used for phone cable connections
An 8 position 8 contact modular connector typically used for network cable connections.
A 4 pin video cable connector.
A device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image.
A nonvolatile memory card used extensively in portable devices, such as mobile phones, digital cameras, GPS navigation devices, handheld consoles, and tablet computers.
A communication interface through which information transfers in or out one bit at a time and based on a 9-pin connector.
A mobile phone with more advanced computing capability and connectivity than basic feature phones.
A device which converts an electrical audio signal into a corresponding sound.
A computer accessory used to assist in navigating or providing more precision when using a touchscreen.
A digital printing device which produces a printed image by selectively heating coated thermochromic paper.
A hardware interface that allows for the connection of external peripherals to a computer, combining PCI Express (PCIe) and DisplayPort (DP) into one serial signal alongside a DC connection for electric power, and transmitted over one cable, most often used for video and other high-speed connections on Apple computers.
A pointing device featuring a tactile sensor, a specialized surface that can translate the motion and position of a user's fingers to a relative position on the operating system that is outputted to the screen.
An electronic visual display that the user can control through simple or multi-touch gestures by touching the screen with a special stylus/pen and-or one or more fingers.
A stationary pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes.
An uninterruptible power supply, also uninterruptible power source, or battery/flywheel backup, is an electrical apparatus that provides emergency power to a load when the input power source, typically main power, fails.
An industry standard that defines the cables, connectors and communications protocols used in a bus for connection, communication, and power supply between computers and electronic devices communicating at 12 Mbps, 480 Mbps, or 5 Gbps.
A three-row 15-pin DE-15 connector found on many video cards, computer monitors, and high definition television sets.
A video camera that feeds or streams its image in real time to or through a computer to a computer network.
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