Comparing Communication Devices: Past, Present, and Future

This presentation provides a comparison of old and new communication devices. It begins with a discussion of letter writing, highlighting its evolution and continued relevance. The presentation then explores the role of radio as an early wireless communication method, followed by the invention and impact of the telephone. It then transitions to modern communication devices, focusing on mobile phones/smartphones and their evolution. The presentation also covers laptops and their functionalities, including internet access and social media. Finally, it discusses the rise of virtual assistants like Alexa, Siri, and Google Assistant, emphasizing their popularity and multifunctional capabilities. The presentation provides insights into the progression of communication technology, from its early forms to the advanced devices of today.

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Transcript

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Transcript
00:03 Sets up the laptop for the presentation
00:12 the topic is- Old communication devices compared to Modern communication devices
Slide 1: Letter Writing
00:15 Letter writing can never go out of fashion
00:18 Evolution of sending letters have long gone from delivering through messengers to posting
letters through mail
00:25 Existence of letter writing is slim in the modern world
00:29 Businesses and private citizens still prefer writing and posting a letter
Slide 2: Radio
00:32 Wireless form of old days telegraph
00:35 Invented by Nikola Tesla in 1897, Radio has been one of the most popular means of
communication
00:42 Popular in the rural regions
Slide 3: Telephone
00:45 Invented by Alexander Graham Bell in 1876 for long distance communication
00:49 Ruled the world from a very long time and become popular modes of communication
00:55 Evolved from manual dialing to self-dialing operators
Taking pause of 5 seconds before starting the next slide
Slide 4: Mobile phones/Smartphones
1:02 First mobile was invented in early 1980’s
1:05 Motorola was the first company to launch a mobile phone
1:08 Evolution of mobile phones since its inception

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1:13 Surpassed desktops and many other mobile devices
Sips water- 1:15
Slide 5: Laptops
1:17 Portable computers that comes in different sizes
1:20 Functions same as the desktop
1:23 Internet access enables the use of various social media applications
1:26 Use of Webcams is also possible
Slide 6: Virtual Assistant
1:29 Rapid growth of personal virtual assistant usage has increased in recent years
1:36 Alexa, Siri and Google Assistant in all devices, mobile, car systems and stereos
1:40 Have become immensely popular
1:43 Multifunctional
1:45 Can perform tasks with voice commands and gestures

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