Across
- 6. Communication signals are transmitted from Earth to a .... in space.
- 8. To control the cursor on a computer, we often use a ....
- 9. The opposite of wired is .... communication.
- 12. The computer’s output is shown on a ....
- 13. A timing function in circuits is controlled by an ....
- 15. Current flow can be reduced by using a ....
- 17. Radios and phones need an .... to send and receive signals.
- 18. The electrical energy is stored inside a ....
- 20. A .... is used in headsets to capture sound waves.
Down
- 1. Electrical signals are changed into sound through a ....
- 2. Images are displayed after being received by a ....
- 3. The strength of a wireless connection is shown by the ....
- 4. An electronic circuit often uses a .... to store charge.
- 5. Sending messages over distance is called ....
- 7. When powered, a .... produces light in a circuit.
- 10. A weak signal can be made stronger with an ....
- 11. At night, people use a .... powered by batteries to see in the dark.
- 14. Amplifying and switching are the main functions of a ....
- 16. Data is stored permanently i electronic ....
- 19. Current can only pass in one direction if a .... is used.