Answer my Telecommunication Topics?

Question

1-definition,types and ways of telecommunication,basic circuits involved,frequency bands,acronyms and abbreviations etc.
2-Telegraphy Codes, Telegraphy Instruments and Relays, Telegraphy Circuits, Teleprinter and Telex, Principle of Facsimile Telegraphy.
3- Transducers, definition, Microphone(corbon,crystal,moving coil electrodynamics,pressure-gradient VelocityRibbon,Unidirectional cardioids), Loud Speakers(moving coil or cone,horn loude speaker),scanning, syncrhonism,other types of transducers.

Answer 1

Buy a Newton's. $30 at the Barnes and Nobles.

Answer 2

Each one of your topics is a course in itself. There is no short answer.