What Do You Know About The Evolution Of Cell Phone

Explanation
The first call made from a real handheld portable cell phone was in 1973. This answer is correct because it aligns with historical records. In that year, Martin Cooper, an engineer at Motorola, made the first public call from a handheld mobile phone in New York City. This marked a significant milestone in the development of mobile communication technology.

Explanation
Marty Cooper is credited as the first engineer to use a handheld cell phone. He made the first ever cellular phone call in 1973 while working at Motorola. Cooper's invention revolutionized communication, paving the way for the development of the modern cell phone technology that we use today.

Explanation
In 2007, the iPhone was introduced, marking its existence.

Explanation
The introduction of the Common Radio carrier refers to the implementation of a standardized radio frequency for communication purposes. The correct answer is the 1960s, as this was the decade when radio technology advanced significantly, leading to the development and adoption of a common carrier frequency. This allowed for improved communication and interoperability between different radio systems and devices.

Explanation
The brick phone was used in the 1980s movie titled "Wall Street".

Explanation
Motorala is the correct answer because they were one of the first companies to introduce portable devices. They revolutionized the industry with their innovative and portable products, such as the Motorola DynaTAC, which was one of the earliest mobile phones. This device paved the way for the development of modern portable devices, including smartphones and tablets. Motorala's contributions to the field of portable devices make them the pioneers in this area.

Explanation
Motorola hybrid is a satphone, which means it is designed to connect with satellites for communication. Cellular towers are used for terrestrial mobile communication, while Pluto and Mars are celestial bodies that are not relevant for the functioning of a satphone. Therefore, the correct answer is orbiting satellites, as they are the primary means of communication for a satphone like the Motorola hybrid.

Explanation
In the 90s, PDAs (Personal Digital Assistants) were introduced, which revolutionized pocket computing. These devices were equipped with touchscreen technology, allowing users to interact with them by simply touching the screen. This innovation brought about a new era of handheld devices that could perform various computing tasks, such as managing calendars, contacts, and notes. Therefore, the correct answer is "Touchscreen devices."

Explanation
In the 2000s, Nokia introduced its 6000 series phone, which gained popularity. This suggests that the innovation of the 6000 series phone occurred in the 2000s, making it the correct answer.

Explanation
Sony launched the waterproof Xperia Z in 2013. This model was a significant release for Sony as it introduced a new level of water resistance to their smartphones. The Xperia Z featured an IP rating of IP55 and IP57, making it resistant to water and dust. This allowed users to confidently use their device in wet conditions without worrying about damage. The launch of the Xperia Z in 2013 marked a milestone for Sony and set the stage for future waterproof smartphones in their lineup.