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A deal to supply Apple with memory chips was sealed in and, as of October , Sams. The phone is powered by Qualcomm's Snapdragon chipset , a 1. The Samsung Galaxy J5 is fitted with a 5. This phone comes with Android 6. Upgradeable to Android 7. Qualcomm Snapdragon Snapdragon is a suite of system on a chip semiconductor products for mobile devices designed and marketed by Qualcomm Technologies Inc. The Snapdragon central processing unit uses.

A single SoC may include multiple CPU cores, a graphics processing unit, a wireless modem , other software and hardware to support a smartphone's global positioning system, gesture recognition and video. Snapdragon semiconductors are embedded in devices of various systems, including Android and Windows Phone devices, they are used for netbooks, in cars, wearable devices and other devices.

In addition to the processors, the Snapdragon line includes modems, wi-fi chips and mobile charging products; the first Snapdragon product to be made available to consumer device manufacturers was the QSD, released in November It included the first 1 GHz processor for mobile phones. Qualcomm introduced its " Krait " microarchitecture in the second generation of Snapdragon SoCs in , allowing each processor core to adjust its speed based on the device's needs. At the Consumer Electronics Show , Qualcomm introduced the first of the Snapdragon series and renamed prior models as the , and series.

Several new iterations have been introduced since, such as the Snapdragon , , and Qualcomm announced it was developing the Scorpion central processing unit in November ; the Snapdragon system on chip was announced in November and included the Scorpion processor, as well as other semiconductors. This included Qualcomm's first custom Hexagon digital signal processor.

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According to a Qualcomm spokesperson, it was named Snapdragon, because "Snap and Dragon sounded fast and fierce. Early versions of Scorpion had a processor core design similar to the Cortex-A8. Most smartphones at the time were using MHz processors; the first generation of Snapdragon products supported a p resolution, 3D graphics and a megapixel camera. By November , 15 device manufacturers decided to embed Snapdragon semiconductors in their consumer electronics products.

In November , Qualcomm announced it would compete against Intel in the netbook processor market with dual-core Snapdragon system-on-chips planned for late , it demonstrated a Snapdragon processor that consumed less power than Intel chips announced around the same time and claimed it would cost less when released. That same month, Qualcomm introduced a Snapdragon-based prototype netbook called Kayak that used 1. At the November Computex Taipei show, Qualcomm announced the QSDA addition to the Snapdragon product suite, based on 45 nanometer manufacturing processes, it had lower power consumption than prior models.

Lenovo announced the first netbook product using Snapdragon SoCs that December. According to PC World , mobile devices using Snapdragon had better battery life and were smaller in size than those using other SoCs. By June , Snapdragon chips were embedded in 20 available consumer devices and incorporated into product designs in development.

Apple had a dominant market position for smartphones at the time and did not incorporate Snapdragon into any of its products; the success of Snapdragon therefore relied on competing Android phones, such as Google's Nexus One and the HTC Incredible , challenging Apple's market position. Android devices did end up taking market share from predominantly used Snapdragon. There was an "unconfirmed but circulated report" speculating that Apple was going to start using Snapdragon SoCs in Verizon-based iPhones; as of , Apple was still using their own Ax semiconductor designs.

Support for the Windows Phone 7 operating systems was added to Snapdragon in October By , the Snapdragon S4 had taken a dominant share from other Android system-on-chips like Nvidia Tegra and Texas Instruments OMAP which caused the latter to exit the market; as of July , the market share of Android phones had grown to The first bit SoCs, the Snapdragon and , were rushed to market using generic Cortex-A57 and Cortex-A53 cores and suffered from overheating problems and throttling the , which led Samsung to stop using Snapdragon for its Galaxy S6 flagship phone. Snapdragon chips are used in most Android-based smartwatches.

Snapdragon products have been used in virtual reality products, in vehicl. Bluetooth Low Energy Bluetooth Low Energy is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group aimed at novel applications in the healthcare, beacons and home entertainment industries. Compared to Classic Bluetooth , Bluetooth Low Energy is intended to provide reduced power consumption and cost while maintaining a similar communication range.

Bluetooth Low Energy uses the same 2. BLE does, use a simpler modulation system. In , the Bluetooth SIG announced the Bluetooth Smart logo so as to clarify compatibility between the new low energy devices and other Bluetooth devices. Bluetooth Smart Ready indicates a dual-mode device compatible with both classic and low energy peripherals. Bluetooth Smart indicates a low energy-only device which requires either a Smart Ready or another Smart device in order to function.

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The Bluetooth SIG identifies a number of markets for low energy technology in the smart home, health and fitness sectors. Cited advantages include: low power requirements, operating for "months or years" on a button cell small size and low cost compatibility with a large installed base of mobile phones and computers In , researchers at Nokia determined various scenarios that contemporary wireless technologies did not address. The company began developing a wireless technology adapted from the Bluetooth standard which would provide lower power usage and cost while minimizing its differences from Bluetooth technology.

The results were published in using the name Bluetooth Low End Extension. After further development with partners, in particular Logitech and within the European project MIMOSA , promoted and supported by STMicroelectronics since its early stage, the technology was released to the public in October with the brand name Wibree. After negotiations with Bluetooth SIG members, an agreement was reached in June to include Wibree in a future Bluetooth specification as a Bluetooth ultra low power technology; the technology was marketed as Bluetooth Smart and integration into version 4.

The first smartphone to implement the 4. A number of other manufacturers released Bluetooth Low Energy Ready devices in One change on the marketing side is that they dropped the point number, so it now just called Bluetooth 5; this decision was made to "simplifying marketing, communicating user benefits more effectively". On the technical side, Bluetooth 5 will quadruple the range by using increased transmit power or coded physical layer, double the speed by using optional half of the symbol time compared to Bluetooth 4.

Mesh specification enables using Bluetooth Low Energy for many-to-many device communications for home automation, sensor networks and other applications. Borrowing from the original Bluetooth specification, the Bluetooth SIG defines several profiles — specifications for how a device works in a particular application — for low energy devices. Manufacturers are expected to implement the appropriate specifications for their device in order to ensure compatibility.

A device may contain implementations of multiple profiles; the majority of current low energy application profiles are based on the Generic Attribute Profile, a general specification for sending and receiving short pieces of data, known as attributes, over a low energy link. The Bluetooth mesh profile is an exception to this.

Bluetooth mesh profiles use Bluetooth Low Energy to communicate with other Bluetooth Low Energy devices in the network; each device can pass the information forward to other Bluetooth Low Energy devices creating a "mesh" effect. For example, switching off an entire building of lights from a single smartphone. MESH — for base mesh networking. MMDL — for application layer definitions. Term "model" is used in mesh specifications instead of "profile" to avoid ambiguities. It increases the capacity and speed using a different radio interface together with core network improvements; the standard is developed by the 3GPP and is specified in its Release 8 document series, with minor enhancements described in Release 9.

LTE is commonly known as 3. However, other nations and companies do play an active role in the LTE project; the goal of LTE was to increase the capacity and speed of wireless data networks using new DSP techniques and modulations that were developed around the turn of the millennium.

A further goal was the redesign and simplification of the network architecture to an IP-based system with reduced transfer latency compared to the 3G architecture; the LTE wireless interface is incompatible with 2G and 3G networks, so that it must be operated on a separate radio spectrum. Services are expected to commence in LTE supports multi-cast and broadcast streams. LTE supports scalable carrier bandwidths, from 1. In September , Siemens Networks showed in collaboration with Nomor Research the first live emulation of an LTE network to the media and investors; as live applications two users streaming an HDTV video in the downlink and playing an interactive game in the uplink have been demonstrated.

USB USB is an industry standard that establishes specifications for cables and protocols for connection and power supply between personal computers and their peripheral devices. USB was designed to standardize the connection of peripherals like keyboards , pointing devices, digital still and video cameras, portable media players, disk drives and network adapters to personal computers, both to communicate and to supply electric power, it has replaced interfaces such as serial ports and parallel ports, has become commonplace on a wide range of devices.

USB connectors have been replacing other types for battery chargers of portable devices; this section is intended to allow fast identification of USB receptacles on equipment.

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Further diagrams and discussion of plugs and receptacles can be found in the main article above; the Universal Serial Bus was developed to simplify and improve the interface between personal computers and peripheral devices, when compared with existing standard or ad-hoc proprietary interfaces.

From the computer user's perspective, the USB interface improved ease of use in several ways. USB connectors are standardized at the host, so any peripheral can use any available receptacle. USB takes full advantage of the additional processing power that can be economically put into peripheral devices so that they can manage themselves; the USB interface is "hot pluggable", meaning devices can be exchanged without rebooting the host computer.

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Small devices can be powered directly from displacing extra power supply cables; because use of the USB logos is only permitted after compliance testing, the user can have confidence that a USB device will work as expected without extensive interaction with settings and configuration. Installation of a device relying on the USB standard requires minimal operator action.

When a device is plugged into a port on a running personal computer system, it is either automatically configured using existing device drivers, or the system prompts the user to locate a driver, installed and configured automatically. For hardware manufacturers and software developers, the USB standard eliminates the requirement to develop proprietary interfaces to new peripherals; the wide range of transfer speeds available from a USB interface suits devices ranging from keyboards and mice up to streaming video interfaces.

A USB interface can be designed to provide the best available latency for time-critical functions, or can be set up to do background transfers of bulk data with little impact on system resources; the USB interface is generalized with no signal lines dedicated to only one function of one device. USB cables are limited in length, as the standard was meant to connect to peripherals on the same table-top, not between rooms or between buildings.

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