Computing Lesson 1/2

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Across
  1. 2. The Central Processing _____, or CPU is considered the “brain” of the computer
  2. 6. The physical components of a computer (anything you can touch) is known as __________.
  3. 9. A computer is a _________ electronic device.
  4. 10. ________ devices receive information from the computer and display it on a screen or printer.
  5. 14. _________ computers are made to execute many programs simultaneously as high speed.
  6. 16. Like a notebook, but smaller and more affordable.
  7. 17. One key advantage to notebook or laptop computers is that they are _______ meaning they can be easily moved.
  8. 18. Temporary memory is also called _______ Access Memory (RAM), which quickly stores information for the CPU. This memory is lost if power is not supplied.
  9. 19. Supercomputers are designed to ______ data at extremely fast speeds.
  10. 22. Processed information is often ____ on a computer’s hard drive.
  11. 23. A keyboard or mouse would be considered an _______ device because they send information into the computer.
  12. 24. Modern monitors, projectors, and TV’s use an ________ cable to send high quality video and audio.
  13. 26. Devices like cell phones or portable music players are also called ________ devices.
  14. 27. The power supply is like the body’s ______, delivering energy throughout the computer.
Down
  1. 1. PC’s can also be called _______________ because they are much smaller than supercomputers or mainframe computers.
  2. 3. A mother______ connects all devices in a computer, acting like the body’s nervous system.
  3. 4. Houses all of the system unit’s internal components.
  4. 5. An acronym for Video Graphics Array is ______, which is a cable to send video to a monitor.
  5. 7. The hard ______ stores all software and data that isn’t being used by the CPU. It’s not as fast as RAM, but it’s much larger and cheaper.
  6. 8. Software (things you can’t touch) is a list of __________ that tell computer hardware what to do.
  7. 11. A _____ sink and fan are used to cool the Central Processing Unit
  8. 12. A DVI cable, or Digital ________ Interface, is used to send higher quality video than a VGA cable.
  9. 13. _______ law says that computing power doubles every year.
  10. 15. ________ cards add functionality, like video, network or graphics cards.
  11. 20. A Universal ________ Bus cable, also called USB, is used to connect input and output devices.
  12. 21. An RJ45 port is also called an ________ port, which sends and receives data from networks through network cables.
  13. 25. The Apollo ________ computer helped men land on the moon.