PC30 Ch8 Supporting Input/Output and Storage Devices Glossary

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  1. A Male connector
    A common type of USB connector that is flat and wide and connects an A Male USB port on a computer or USB hub.
  2. barcode reader
    Used to scan barcodes on products at the points of sale or when taking inventory.
  3. biometric device
    An input device that inputs biological data about a person; the data can identify a person’s fingerprints, handprints, face, voice, eye, and handwriting.
  4. BD
    Blu-ray Disc (BD) An optical disc technology that uses the UDF version 2.5 file system and a blue laser beam, which is shorter than any red beam used by DVD or CD discs. The shorter blue laser beam allows Blu-ray discs to store more data than a DVD.
  5.  CD (compact disc) An optical disc technology that uses a red laser beam and can hold up to 700 MB of data.
  6.  CDFS (Compact Disc File System) The 32-bit file system for CD discs and some CD-R and CD-RW discs. See also Universal Disk Format (UDF).
  7.  CompactFlash (CF) card A flash memory device that allows for sizes up to 137 GB, although current sizes range up to 32 GB.
  8.  composite video port A port used by television or by a video card that is designed to send output to a TV. A composite port is round and has only a single pin in the center of the port.
  9.  CRT (cathode-ray tube) monitor A type of monitor first used in older television sets.
  10.  DB-15 port A 15-pin female port that transmits analog video.
  11.  Device Manager Primary Windows 7/Vista/XP tool for managing hardware.
  12.  digitizer See graphics tablet.
  13.  digitizing tablet See graphics tablet.
  14.  DirectX A Microsoft software development tool that software developers can use to write multimedia applications such as games, video-editing software, and computer-aided design software.
  15.  DVD (digital versatile disc or digital video disc) A technology used by optical discs that uses a red laser beam and can hold up to 17 GB of data.
  16.  DVI-A A DVI (Digital Visual Interface) video port that only transmits analog data.
  17.  DVI-D A DVI (Digital Visual Interface) video port that works only with digital monitors.
  18.  DVI-I A DVI (Digital Visual Interface) video port that supports both analog and digital monitors.
  19.  dxdiag.exe A command used to display information about hardware and diagnose problems with DirectX.
  20.  file system The overall structure that an OS uses to name, store, and organize files on a disk. Examples of file systems are NTFS and FAT32.
  21.  flat panel monitor See LCD (Liquid Crystal Display) monitor.
  22.  formatting Preparing a hard drive volume, logical drive, or USB flash drive for use by placing tracks and sectors on its surface to store information (for example, FORMAT D:).
  23.  graphics tablet An input device that can use a stylus to hand draw. It works like a pencil on the tablet and uses a USB port.
  24.  HDMI connector A connector that transmits both digital video and audio and is used on most computers and televisions.
  25.  HDMI mini connector A smaller type of HDMI connector used for connecting some devices such as a smartphone to a computer.
  26.  hot swappable The ability to plug or unplug devices without first powering down the system. USB devices are hot swappable.
  27.  Infrared (IR) An outdated wireless technology that has been mostly replaced by Bluetooth to connect personal computing devices.
  28.  KVM (Keyboard, Video, and Mouse) switch A switch that allows you to use one keyboard, mouse, and monitor for multiple computers. Some KVM switches also include sound ports so that speakers and a microphone can be shared among multiple computers.
  29.  LCD (Liquid Crystal Display) monitor A monitor that uses LCD technology. LCD produces an image using a liquid crystal material made of large, easily polarized molecules. LCD monitors are flatter than CRT monitors and take up less desk space. Also called a flat-panel monitor.
  30.  LED (Light-Emitting Diode) A technology used in an LCD monitor that uses less mercury than earlier technologies.
  31.  MIDI (musical instrument digital interface) A set of standards that are used to represent music in digital form. A MIDI port is a 5-pin DIN port that looks like a keyboard port, only larger.
  32.  native resolution The actual (and fixed) number of pixels built into an LCD monitor. For the clearest display, always set the resolution to the native resolution.
  33.  OLED (Organic Light-emitting Diode) monitor A type of monitor that uses a thin LED layer or film between two grids of electrodes and does not use backlighting.
  34.  pixel A small spot on a fine horizontal scan line. Pixels are illuminated to create an image on the monitor.
  35.  plasma monitor A type of monitor that provides high contrast with better color than LCD monitors. They work by discharging xenon and neon plasma on flat glass, and don’t contain mercury.
  36.  projector Used to shine a light that projects a transparent image onto a large screen and is often used in classrooms or with other large groups.
  37.  refresh rate As applied to monitors, the number of times in one second the monitor can fill the screen with lines from top to bottom. Also called vertical scan rate.
  38.  resolution The number of pixels on a monitor screen that are addressable by software (example: 1024 × 768 pixels).
  39.  RGB port See composite video port.
  40.  Secure Digital (SD) card A type of memory card used in digital cameras, tablets, cell phones, MP3 players, digital camcorders, and other portable devices. The three standards used by SD cards are 1.x (regular SD), 2.x (SD High Capacity or SDHC), and 3.x (SD eXtended Capacity or SDXC).
  41.  stylus A device that is included with a graphics tablet that works like a pencil on the tablet.
  42.  touch screen An input device that uses a monitor or LCD panel as a backdrop for user options. Touch screens can be embedded in a monitor or LCD panel or installed as an add-on device over the monitor screen.
  43.  TV tuner card An adapter card that receives a TV signal and displays TV on the computer screen.
  44.  UDF (Universal Disk Format) file system A file system for optical media used by all DVD discs and some CD-R and CD-RW discs.
  45.  video capture card An adapter card that captures video input and saves it to a file on the hard drive.
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PC30 Ch8 Supporting Input/Output and Storage Devices Glossary
2016-04-12 11:54:41
PC30 Ch8 Supporting Input Output Storage Devices Glossary

PC30 Ch8 Supporting Input/Output and Storage Devices Glossary
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