1. FOURTH GENERATION MOBILE COMMUNICATIONSYSTEMS 4G 2. History 3G and Its Limitations 4G Concept Key Technologies Benefits Applications Conclusion CONTENTS 3. Mobile System…
Slide 1 OPERATING SYSTEM LESSON 1 Slide 2 HISTORY OF OPERATING SYSTEM The First Generation (1945-55) The Second Generation (1955-65) The Third Generation (1965-1980) The…