Vocab thingy for class 342569

12345678910111213141516171819202122
Across
  1. 2. a small plastic disc on which music or other digital information is stored, and from which the information can be read using reflected laser light.
  2. 5. 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.
  3. 6. a machine for printing text or pictures onto paper, especially one linked to a computer.
  4. 8. a peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system such as a computer or other information appliance
  5. 11. any external device that provides input and output for the computer.
  6. 14. an electron tube containing a near-vacuum that allows the free passage of electric current.
  7. 15. a computer program that operates or controls a particular type of device that is attached to a computer.
  8. 17. a video camera that inputs to a computer connected to the Internet, so that its images can be viewed by Internet users.
  9. 19. an instrument or device used for observing, checking, or keeping a continuous record of a process or quantity.
  10. 20. a movable indicator on a computer screen identifying the point that will be affected by input from the user, for example showing where typed text will be inserted.
  11. 21. a panel of keys that operate a computer or typewriter.
  12. 22. a semiconductor device with three connections, capable of amplification in addition to rectification.
Down
  1. 1. a computer input device in the form of a small panel containing different touch-sensitive areas.
  2. 3. an electronic circuit formed on a small piece of semiconducting material, performing the same function as a larger circuit made from discrete components.
  3. 4. an industry standard that establishes specifications for cables and connectors and protocols for connection, communication and power supply (interfacing) between computers, peripherals and other computers.
  4. 7. a printer in which the characters are formed by minute jets of ink.
  5. 9. an apparatus that converts electrical impulses into sound, typically as part of a public address system or stereo equipment.
  6. 10. (of signals or data) expressed as series of the digits 0 and 1, typically represented by values of a physical quantity such as voltage or magnetic polarization.
  7. 12. 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 (or dry ink powder). The toner is transferred to a piece of paper and fixed by a heating process.
  8. 13. a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device
  9. 16. 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.
  10. 18. An output device is any device used to send data from a computer to another device or user