May 7 in history: radio day the first working samples of DDR4 and the announcement of the flagship smartphone Huawei Ascend P7

Since 1945, 7 may declared the day of radio. Still there are disputes about who first introduced the invention. In many Western countries, the father of radio is still considered Guglielmo Marconi, although some are in favour of such famous figures as Heinrich Hertz, Yakov Narkevich-Iodko and Nikola Tesla. But we know the truth! 7 may 1995 the ceremony of UNESCO, dedicated to the 100th anniversary of the creation of the radio, the Board of Directors of the Institute of electrical and electronics engineers (IEEE) noted the demonstration of Alexander Stepanovich Popov as a milestone in electrical engineering and electronics. An article in the “History” section on the official website of the IEEE argues that A. S. Popov really was the first, but was forced to sign a non-disclosure agreement associated with teaching at the Marine engineering school.
The invention itself was presented on 7 may 1895 at the meeting of the Russian physico-chemical society, where he was made the first radio session.
May 7 in history: radio day the first working samples of DDR4 and the announcement of the flagship smartphone Huawei Ascend P7
A postage stamp dedicated to the radio day
May 7, 2012 the company Micron announced the creation of its first DDR4 memory module. Working samples have been sent to all partners, and full-scale production was planned to begin in 2013. However, the first desktop platform that works with DDR4, became LGA2011-v3, which includes system Board on the basis of logic X99 Express and the Central processor family Haswell-E. They were presented only on August 29, 2014. It is noteworthy that the Association began the development of JEDEC standard DDR4 in the distant 2005.
Even today this type of RAM can be described as rare and expensive. As we already wrote, with DDR4 works just one platform for desktop computers. However, next year it is expected that this standard will gain popularity due. Plus cheaper. Largely this is due to the fact that will be presented to the processor line Intel Skylake or AMD Zen, which will be equipped with built-in controller DDR4.
Learn more about this technology you can read in our article.
May 7 in history: radio day the first working samples of DDR4 and the announcement of the flagship smartphone Huawei Ascend P7
Evolution of DDR memory
7 may 2014 was presented to the flagship smartphone Huawei Ascend P7. The new model was slightly thicker than its predecessor (6.5 mm vs 6.18 mm Ascend P6), but noticeably improved characteristics. Thus, the device got a system-on-chip HiSilicon Kirin 910T. It includes Quad-core ARM Cortex-A9, functioning at a speed of 1.8 GHz, and GPU Mali-450 MP4. RAM is 2GB, ROM is 16GB, which due to the microSD slot can be expanded by another 32 GB.
Built-in wireless module provides support for LTE with maximum throughput up to 150 Mbit/s. of Course, it is equipped with adapters Wi-Fi, Bluetooth 4.0, NFC and GPS/GLONASS.
Ascend P7 is equipped with a rear camera with Sony BSI CMOS fourth-generation a resolution of 13 megapixels and a lens with a maximum aperture of F/2.0. The front camera has a resolution of 8 megapixels.
In fact, a year later, this smartphone is still popular. However, April 15 was presented a new flagship, the Ascend P8.
May 7 in history: radio day the first working samples of DDR4 and the announcement of the flagship smartphone Huawei Ascend P7
Huawei Ascend P7

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