Across
- 1. Electronic devices that follow instructions.
- 4. Computer programs and applications (apps).
- 6. All the physical parts of a computer.
- 7. A signal that does NOT change continuously.
- 8. A device that sends info by using signals.
- 9. A substance that conducts an electric current.
Down
- 1. A collection of electrical circuit components.
- 2. An electronic component that amplifies current.
- 3. A code of signals that stood for letters and #'s.
- 5. These waves can be analog or digital.