Computer Science Vocabulary Terms Chapter 1.3 and 1.4

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Across
  1. 3. tubes an electron tube containing a near-vacuum that allows the free passage of electric current.
  2. 5. a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data
  3. 8. Printer a machine allowing the creation of a physical object from a three-dimensional digital model, typically by laying down many thin layers of a material in succession
  4. 11. device is ancillary device used to put information into and get information out of the computer
  5. 13. peripherals device is ancillary device used to put information into and get information out of the computer
  6. 14. a machine for printing text or pictures onto paper, especially one linked to a computer.
  7. 16. a semiconductor device with three connections, capable of amplification in addition to rectification.
  8. 18. Driver a computer program that operates or controls a particular type of device that is attached to a computer
  9. 20. Serial Bus (USB) an industry standard that establishes specifications for cables and connectors and protocols for connection, communication and power supply between computers, peripherals and other computer
  10. 22. a video camera that inputs to a computer connected to the Internet, so that its images can be viewed by Internet users.
Down
  1. 1. another term for touchpad
  2. 2. printer a printer linked to a computer producing good-quality printed material by using a laser to form a pattern of electrostatically charged dots on a light-sensitive drum, which attract toner
  3. 4. a small handheld device that is dragged across a flat surface to move the cursor on a computer screen, typically having buttons that are pressed to control functions.
  4. 6. a television receiver used in a studio to select or verify the picture being broadcast from a particular camera.
  5. 7. a panel of keys that operate a computer or typewriter
  6. 9. expressed as series of the digits 0 and 1, typically represented by values of a physical quantity such as voltage or magnetic polarization.
  7. 10. a movable indicator on a computer screen identifying the point that will be affected by input from the user
  8. 12. Disc (CD) Compact disc is a digital optical disc data storage format
  9. 15. printer a printer in which the characters are formed by minute jets of ink.
  10. 17. a device which converts an electrical audio signal into a corresponding sound.
  11. 19. Peripherals receives data from a computer,
  12. 21. circuit an electronic circuit formed on a small piece of semiconducting material, performing the same function as a larger circuit made from discrete components.