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Data communications


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Data communications

  1. 1. Data Communications Valentina Quintero
  2. 2. Modem <ul><li>An electronic device that makes possible the transmission of data to or from a computer via telephone or other communication lines. </li></ul>
  3. 3. Disk Drive <ul><li>The disk drive is a device that, using an access mechanism under program control, enables data to be read from or written, on a spinning magnetic disk, magnetic disk pack, floppy disk, or optical disk. </li></ul>
  4. 4. The 4 steps to the Information Processing Cycle
  5. 5. Input Devices
  6. 6. Laser Printer <ul><li>Laser printers put the image on the paper by using a laser to form dot matrix patterns and an electrostatic process to fuse metallic particles to paper a page at a time. </li></ul>
  7. 7. Output Devices
  8. 8. Storage Devices