Lesson 4-2

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Across
  1. 1. Impact and nonimpact printers alike create images by printing tiny ________ on the paper.
  2. 3. To be played back through the computer's speakers, sound must be in this form.
  3. 4. By doing their own processing, the sound card and video card free this device to do more work.
  4. 6. This device scans printed documents and sends them over phone lines.
  5. 7. This is the most basic device for inputting sounds.
  6. 8. A 3-D video adapter adds this dimension to images on the computer's monitor.
  7. 9. A digital camera records images as these.
  8. 10. projector This device can show a computer's video output on a projection screen.
Down
  1. 2. Which of the following is NOT a type of scanner?
  2. 4. To output sound, your computer's sound card converts digital data into this.
  3. 5. To be usable by a computer, sound must be in this form.