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Technology has changed the way humans do their activities, especially communication technology. One of them is the mobile phone which has developed quite rapidly in the last three decades. such as in 1990 the emergence of 2G technology that applies GSM and CDMA cards that are more practical, as well as SMS and monochrome screens. Then in 2000 the phone began to upgrade to a color screen, the design of which became diverse from candybar to Qwerty, 3G, camera, music. In the 2000s era, GPRS, EDGE, and MMS technology began to spread evenly. And lastly in 2010 became the decade where a technology called 4G LTE emerged which made surfing activities in cyberspace faster, also Android and IOS could be considered as the rulers of the world.

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In this modern era, many have developed, for example, cellphones used to be only made to send messages, now they can be made to take photos and use social media

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Cell phones that used to only be used to send messages and telephones are now able to send documents, photos, videos, voice messages, and can make video calls.
And also the size that used to be thick is now thin
The screen that was previously only black and white is now in color.

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Over time, the cellphone screen that used to be colorless is now colored.

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The sophistication of mobile phones will develop, from those without a camera to having a rear camera and spreading to the front camera

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In this modern era, a lot of technology has developed, especially for mobile phones that have developed into smartphones that can be used to pay for online transactions, send/store many documents and replace remote functions which are very helpful in daily activities.

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cell phone technology has changed a lot, from size, model, etc., developments on cellphones are also adapted to the needs according to the era, with the development of cellphones, from time to time, it can also make it easier for us in the future

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All technology is born with a purpose. For example, search engines were created to sort through large amounts of data online. In each development, new technology combines existing technology to create something better than what was previously used. And this continues to this day.

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Technological advances seem and can't be dammed from era and year to year progress, technology is getting faster, both cellphones and computers are increasingly mushrooming both from elementary school children (SD) to adults and even to grandparents, all of them use it well. HP to communicate and computer just for fun.

An example of the most rapidly developing technology today is HP, perhaps the first generation that appeared in 1973 which is still old school and large in shape this year, HP is not very attractive because of the features that are less attractive and the network has not yet spread widely. Then the 2nd generation appeared again, namely in the 1990s, in this second generation the shape began to be modified, but the price was still soaring so that only a few people used it. After that, the 3rd generation appeared again in the 2000s and until now, the 4th generation is more sophisticated and cool.

In the 2000s appeared 3rd generation HP or often called 3G. This 3G network provides network operators or wider user coverage including internet and video calls. The 3G networks are GSM, EDGE and CDMA. However, HP technology with 3G networks has weaknesses, namely relatively higher costs, and lack of network coverage because this technology is still new. . The operating system used is Symbian.

After that appeared the 4th generation in 2010 this generation is also called the Fourth Generation (4G). 4G is a mobile phone system that offers a new approach and infrastructure solution that integrates existing wireless technologies including wireless broadband (WiBro), CDMA, wireless LAN, Bluetooth, and others. The 4G system is based on the heterogeneity of IP networks which allows users to use various systems anytime and anywhere. 4G also gives its users high speed, high volume, good quality, global reach, and flexibility to explore different technologies. Finally, 4G provides fast data transfer services to accommodate various multimedia applications such as video conferencing, online games, and others.

That's a brief history of the development of HP and networks, maybe in the future new features and networks will appear again. Hopefully this info can be useful for all

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Cellphones have evolved according to the times. phones have evolved to be more compact, to have longer battery life and to allow addition of features beyond making calls, like running apps and sending text messages.

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In terms of size, cellphones used to be thicker and bigger so it was difficult to take them on a trip.
how to use the first to use the embossed keyboard, now we can use touch or other terms touch screen.
Mobile phones in this era make it easier for us to communicate, send files / documents, etc, with the help of technology.

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the screen : from a screen that can not be touched, to a screen that can be touched with a stylus, to a screen that can be touched by finger easily. And the screen that at first is a monochromatic became chromatic (colorful)

the thickness : the design of the phone/smartphone that was originally very thick evolved to become thinner and easier to grip.

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The change in cellphone technology from the past to the present is from its size, in the past it was very large so it was sometimes difficult to carry it anywhere, nowadays it is small and easy to carry everywhere. In addition to size, there are colors too, on average in the past the colors were all black, now there are red, blue, purple, etc. Besides that, there is also a way to use it, in the past it used typing, nowadays you can use a touch screen so it's easier to use.

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Technology is growing, making the models and contents of these cellphones more advanced, starting from the size that is initially thick and difficult to carry around until the end becomes simple and easy to use. Not until there, changes in the contents of the cellphone is also growing rapidly. Starting from black and white then became colorful.

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technology is always developing from year to year, of course, with old cellphones it was only used to communicate and had a larger form, but today's cellphones are more sophisticated and superior which have experienced many improvements in usability such as various camera features, social media and also exploring information and forms that more modern

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Technology will change over time, the more advanced the technology will be. This is experienced by one of the technologies, namely smartphones. The changes experienced by smartphones from time to time are changes in shape, which in ancient times the smartphone was thicker and now thinner. After that there is a function, in the past the smartphone function was only able to make calls and send messages, but now it can be used for video calls, sending pictures, leaving voice notes and others.

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changes in cell phone technology ranging from thick to thin, monochrome screen colors to color, models from pressing to touch screens, from heavy to light, no camera to three cameras. now it's easier to sell and learn online, for example making a status for selling clothes and so on, using meet and google classroom for assignments. Besides that, it also makes it easier for friends or relatives to communicate through chat, telephone, video calls, following each other on Instagram and so on.

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so start from the development of technology. from the era of the old cellphone until now, smartphones appeared. also as it changes from year to year.

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size, from what used to be thick, now it's thin .
screen, previously it was only black and white, getting more and more colorful.
here which initially could only make calls or send messages and now can be used for video calls, and searching for information etc.

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from time to time the cellphone screen is growing. what used to have no color now has color.

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Mobile technology has turned out to be very easy to use. Starting from a large size and difficult to carry everywhere, only able to make calls, and so on.

Now we can use it to send photos, documents, can call someone face to face, hold meetings, look for information, look for daily needs and so on.

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In this era of globalization, the development of science and technology is very fast and rapid, one of which is in the field of communication. where in the past cellphones could only be used for telephones, now they can be used for everything to make life easier.

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In the past, cellphones were colorless, didn't have a camera, couldn't be used with a touch screen, but over time, cellphones have become colorful, have good cameras, and the average cellphone is now used with a touch screen.

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the size of the cellphone from what was originally large and thick became thinner so that it was easy to carry