Components of CPU case

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Across
  1. 3. Also called as Peripheral Component Interconnect cards
  2. 9. A ******* makes marks on paper
  3. 10. It's often used in computers to communicate with wireless keyboards, mice, and printers
  4. 11. Includes internal or external speakers and headphones
  5. 13. System's short-term memory
  6. 14. This optical drive works on a similar principle to the CD-ROM,
  7. 16. The brain of the computer system
  8. 19. *********is responsible for what you see on the monitor
  9. 20. ********** hold about 4.7 gigabytes
  10. 21. Allows a computer to communicate over an analogue medium
  11. 22. *********drives support the creation of CD-R and CD-RW discs
Down
  1. 1. Convenient way to bring your files with you and open them on a different computer
  2. 2. A ******* is a device for digitizing paper documents into images
  3. 4. Includes computer monitors and other display devices
  4. 5. Unit Sends power through the cables to the motherboard and other components
  5. 6. ***********can either connect with an Ethernet cable or through a wireless connection
  6. 7. ********** is faster than magnetic media
  7. 8. The computer's main circuit board
  8. 12. Compact Disc Read Only Memory
  9. 15. A user interface device that can enable different kinds of control than a keyboard
  10. 17. The data center of the computer
  11. 18. Used to type instructions or information into the computer