FCC CROSSWORD

3. A sound, gesture, or other indication used to convey information or instructions.
4. A copy or substitute that can be used in case the original fails.
7. The process of granting permission or approval.
9. The rate at which something occurs over a particular period of time; often related to waves or signals.
10. A change made to something, often to improve it.
11. To interpret or make sense of something difficult to understand.
13. Tools or machinery needed for a specific purpose.
14. The process of varying a signal's properties, often used in telecommunications.

1. A method of transforming data into a fixed-size string of characters, often for security purposes.
2. Unauthorized access or manipulation of a computer system or network.
5. A principle or rule to guide decisions and achieve rational outcomes.
6. The act of exchanging information or ideas.
8. The process of constructing or manufacturing something, often involving assembling parts.
12. A system of interconnected people or things; often used in computing.