basic puzzles

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Across
  1. 3. a miniature device that is used to control or regulate the flow of electronic signals.
  2. 4. what some say is the "brain of the computer
  3. 7. a piece of metal that draws heat away from something
  4. 8. a memory system with moving parts
  5. 9. the counting system of storage is called a _____
  6. 10. the_____ ______ gives energy to all of the computers components
  7. 13. 1's and 0's
Down
  1. 1. measures the number of cycles your CPU executes per second
  2. 2. a circuit board that connects everything
  3. 4. memory that is om the CPU chip
  4. 5. blows sucks air out of the PC
  5. 6. a piece of plastic that holds everything inside it
  6. 11. memory that you can randomly access at any time
  7. 12. someone tries to steal your information by luring you in