Chapter 13 Vocabulary

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Across
  1. 5. change the frequency, amplitude, or other characteristic of an electronic communication signal; allows a signal to carry information over long distances
  2. 6. the main circuit board in a computer
  3. 10. an electronic device that retains information until it is needed
  4. 11. the operating system and applications that allow us to perform meaningful tasks using a computer
  5. 12. a device that allows people to touch and move objects in a virtual reality system
  6. 14. the physical input, processing, and output components of a computer, such as a standard keyboard, mouse, CPU, and monitor
  7. 15. an Internet protocol that converts voice signals into a digital format that can be sent over the Internet, allowing people to use their computers and the Internet to make calls
  8. 16. an electronic signal that has only two values: on or off
  9. 18. a receiver's response to a source's question or statement
  10. 19. the protocol, or language that allows people to access the Internet
  11. 20. an electronic signal that changes continuously in a smooth manner
  12. 22. a computer system that consists of many individual computers working together
  13. 23. the process of sending a signal to three different satellites; the time it takes the signal to bounce off each satellite and return to the sending device is then computed to identify the exact location of the sending device
Down
  1. 1. a system that uses a microchip equipped with radio transmitter
  2. 2. a form of distributed computing that uses the Internet to provide access to computer applications and other files
  3. 3. the equipment and systems used for storing, processing, and extending the human ability to communicate information
  4. 4. a central, powerful computer that "serves" or provides storage and services, to other computers on a network
  5. 7. a group of eight binary bits that are read together as a single "word"
  6. 8. a code used by digital electronics to convey information
  7. 9. the part of a computer that accepts inputs, performs calculations, and other processing tasks, and send the results to output devices
  8. 13. sources of communication and information, such as newspapers, radio and television broadcasts, and the Internet
  9. 17. an electronic device that allows two or more different networks to communicate
  10. 21. an on or off signal, known as a binary digit, in binary code used by computer