Evolution of Telephones

1. Presentation: The Evolution of the Telephone – Past to Present

2. "Prepared by" • ALOUANE DJIHAN • MANAI HADIL • FARHI ASMAA • RAHEM CHAHD • BELGASMI SADJED • FARES HAIDER PRESENTATION TITLE

3. Introduction The telephone is one of the most significant inventions that have radically changed the way humans communicate. Since its invention in the late 19th century, the telephone has undergone tremendous developments, evolving into an essential part of our daily lives. In this research, we will explore the evolution of the telephone from the past to the present, highlighting its description and various uses throughout time. PRESENTATION TITLE

4. The Telephone in the Past The Beginning (1876): The telephone was first invented by Alexander Graham Bell in 1876, where he succeeded in transmitting sound over wires using electricity. At this time, the telephone was a simple device that allowed voice communication between two points only.

5. Later Developments: Over time, the design of telephones improved, and by the early 20th century, more complex networks were developed, such as manual switching systems, which allowed for communication between many people within a given area.

6. 2. Mobile Phones: TheBeginning (1973): In the 1970s, Martin Cooper of Motorola invented the first mobile phone. The initial mobile phone was large and heavy, and although it was not practical at first, it marked the beginning of a new era in communication. Mobile Phones in the 1990s: During the 1990s, mobile phones underwent significant developments. They became smaller, lighter, and more widely used. Leading companies such as Nokia and Samsung introduced innovative devices with features like digital interfaces and buttons. The way to get started is to quit talking and begin doing. Walt Disney PRESENTATION TITLE

7. 3. Smartphones: The Digital Revolution (2000s): In the early 21st century, mobile phones started transforming into smart devices. One of the most prominent examples was the iPhone introduced by Apple in 2007. The iPhone was a game-changer, introducing touchscreens, internet connectivity, high-quality cameras, and an advanced operating system. Modern Technologies: With the development of smartphones, new technologies such as 4G and 5G networks were introduced, allowing for faster internet browsing and access to a vast array of applications covering all aspects of daily life, including education, entertainment, and work.

8. 4. Differences Between the Past and the Present: Technologies: Older phones were used primarily for voice communication, while modern smartphones offer a range of features, including internet access, social media apps, maps, high-quality video, and games Size: Early phones were large and required wires to function, while today's mobile phones are compact and wireless, offering portability and ease of use at any time and place. Networks: In the past, phones relied on wired networks, while modern devices rely on advanced wireless cellular networks, making communication faster and more stable. PRESENTATION TITLE

9. 5. The Future: The future of mobile phones is likely to bring further advancements in technology, such as: • Augmented and Virtual Reality integration into smartphones. • Artificial Intelligence to enhance user experience. • Ultra-fast Communication with 6G networks in the near future. The way to get started is to quit talking and begin doing. Walt Disney PRESENTATION TITLE

10. Conclusion The evolution of the telephone has been extraordinary, from a simple voice communication device to a smart tool that serves multiple functions. The future promises even more innovations in mobile phones, leading to a drastic change in how we communicate and interact with the world. PRESENTATION TITLE

11. Thank You