computer componets

123456789
Across
  1. 2. sends signals to device allowing video
  2. 7. protects computer from illness
  3. 8. where the operating system is stored
  4. 9. not software
Down
  1. 1. brain of the computer system
  2. 3. enables the computer to store data
  3. 4. houses all computer components
  4. 5. computer programs that execute
  5. 6. enables the computer to receive electricity to function