Communication system Tnpsc

communication science tnpsc

Introduction to Communication System The early communication systems were developed by J.C. Bose, G. Marconi, and Alexander Graham Bell, etc. The communication industry is one of the oldest, it is since telegraph(1844), telephone(1876) and Radio (1887). The current communication technology is Global positioning System (GPS), satellite, mobile and optical communications. The Elements of An Electronic … Read more

* * All the Notes in this blog, are referred from Tamil Nadu State Board Books and Samacheer Kalvi Books. Kindly check with the original Tamil Nadu state board books and Ncert Books.