Tech 9 Chapter 1

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Author:
Julmagnu
ID:
128815
Filename:
Tech 9 Chapter 1
Updated:
2012-01-19 18:32:48
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ch1
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Description:
section 1
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  1. What is GIGO?
    an acronym which means that if errors are entered into a database, it will produce erroneous output
  2. What is data?
    raw, unprocessed facts
  3. What is a lan?
    a computer network physically confined to a relatively small geographical area
  4. What is a WAN?
    a network that spans a large geographical area
  5. What is "digital?"
    data that is composed of descrete bits (1s and 0s) that is understood by the computer
  6. What is a computer?
    an electronic device capable of interpreting and executing program instructions and data and performing the required operations to produce the desired results
  7. What is information?
    data that has been processed to make it useful for a specific purpose
  8. What is the information processing cycle?
    a cycle during which a computer enters, processes, outputs and/or stores information
  9. Data that is entered into a computer or other device
    INPUT
  10. The manipulation of data by the computer's electrical circuits
    PROCESSING
  11. Information that is written or displayed as a result of computer processing
    OUTPUT
  12. A permanent recording of information, data and programs on a permanent storage medium
    STORAGE

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