Cell Phone,In the 1990s, the 'second generation' mobile phone systems emerged. Two systems competed for supremacy in the global market: the European developed GSM standard and the U.S. developed CDMA standard. These differed from the previous generation by using digital instead of analog transmission, and also fast out-of-band phone-to-network signaling. The rise in mobile phone usage as a result of 2G was explosive and this era also saw the advent of prepaid mobile phones.

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Saturday, May 19, 2018

MacBook-15-2017- Gray

                                                                                  

  MacBook-15-2017- GrayMacBook-15-2017- Gray

                                                                                   Description:

Processor
2.9GHz i7 Quad-Core (Turbo Boost up to 3.9GHz) Intel 7th-generation Kaby Lake Processor
Display
15.4 inches - 2880 x 1800 Resolution
Storage
512GBB PCIe Flash Storage
Ram
16GB 2133MHz memory
Operating System
Mac OS
Graphics
Radeon Pro 560 with 4GB Memory
Extra Features
Touch Bar and Touch ID | Includes AppleCare+
Expansions
Two Thunderbolt 2 ports
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