CLB--Lesson 5 Computer Hardware

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Across
  1. 5. Main storage device in a computer.
  2. 6. Average number of milliseconds it takes a computer to retrieve data from the storage device.
  3. 7. Ratio of width to height.
  4. 10. Storage method that allows a data-retrieval mechanism to quickly find data.
  5. 15. Measurement that determines how much data the storage device can move per second from storage to computer.
  6. 19. Type of hard drive that uses flash memory technology to store data as electrical rather than magnetic charges.
  7. 21. Technology that manipulates light within a layer of liquid crystal cells to produce an image.
Down
  1. 1. Bus standard developed by Apple as a high-speed method for connecting multimedia devices.
  2. 2. surface area that contain color on a display device.
  3. 3. Security technique using automated methods of recognizing a person based on a physical characteristic.
  4. 4. Connector located on the system case that you use to plug peripheral devices into the computer.
  5. 8. Smallest unit of data a computer can process.
  6. 9. The physical materials used to store data, such as disks and DVDs.
  7. 11. Circuit board that can be plugged into an expansion slot on the motherboard of a desktop or server computer.
  8. 12. Device that uses lasers to read and write data on plastic platters which reflects the laser light back to a sensor in an optical drive.
  9. 13. Scan the codes stored in an RFID tag.
  10. 14. Hardware that records and retrieves data from storage media.
  11. 16. Sequence of electronic circuitry used to transfer data among computer components.
  12. 17. Common type of bus that you can use to connect 127 different devices to a single USB port.
  13. 18. Understanding only two states--off and on, represented by 0 and 1.
  14. 20. Hardware or other product designed to provide comfort and avoid stress to the human body during usage.