hardware and software

123456
Across
  1. 3. the main part of a computer
  2. 6. it cools the computer when it gets too hot
Down
  1. 1. It's cleared when a computer is shut down
  2. 2. the main source of electricity
  3. 4. it stays on top of the CPU so it doesn't get hot
  4. 5. contains instructions for the computer