Dt component

12345678
Across
  1. 3. provide a continuous on or off
  2. 5. generates a sound from a electrical signal
  3. 6. things you put on the buttons
  4. 7. what contains energy to power it?
Down
  1. 1. the user can click to display a menu of commands
  2. 2. covers the electronics
  3. 4. led lights up starts with a g
  4. 8. lights up starts with r