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Nabaztag
NABAZTAG (Armenian for "hare", նապաստակ (napastak)) is a Wi-Fi
Wi-Fi
enabled ambient electronic device in the shape of a rabbit, invented by Rafi Haladjian and Olivier Mével , and manufactured by the company Violet. Nabaztag
Nabaztag
was designed to be a "smart object" comparable to those manufactured by Ambient Devices ; it can connect to the Internet
Internet
(to download weather forecasts, read its owner's email, etc.). It is also customizable and programmable to an extent. Sylvain Huet developed most of the embedded code of all Violet objects. Sebastien Bourdeauducq developed the Wi-Fi
Wi-Fi
driver. Antoine Schmitt has been their behavior designer and Jean-Jacques Birgé their sound designer (together they have also composed Nabaz'mob, an opera for 100 Nabaztag
Nabaztag
)
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Sound Generator
A SOUND GENERATOR is a vibrating object which produces a sound. There are two main kinds of sound generators (thus, two main kinds of musical instruments ). A full cycle of a sound wave will be described in each example which consists of initial normal conditions (no fluctuations in atmospheric pressure), an increase of air pressure, a subsequent decrease in air pressure which brings it back to normal, a decrease in air pressure (less pressure than initial conditions), and lastly, an increase which brings atmospheric pressure back to normal again. Therefore, the final conditions are the same as the initial, at-rest conditions. The first kind is simple and is called the vibrating or oscillating piston. Examples of this type of sound generator include the soundboard of a piano , the surfaces of drums and cymbals , the diaphragm of loudspeakers , etc
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PC Card
In computing , PC CARD is a configuration for computer parallel communication peripheral interface, designed for laptop computers. Originally introduced as PCMCIA, the PC Card
PC Card
standard as well as its successors like CardBus were defined and developed by the Personal Computer Memory Card International Association (PCMCIA). It was originally designed as a standard for memory-expansion cards for computer storage . The existence of a usable general standard for notebook peripherals led to many kinds of devices being made available based on its configurability, including network cards , modems , and hard disks
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ADPCM
ADAPTIVE DIFFERENTIAL PULSE-CODE MODULATION (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization step, to allow further reduction of the required data bandwidth for a given signal-to-noise ratio . Typically, the adaptation to signal statistics in ADPCM consists simply of an adaptive scale factor before quantizing the difference in the DPCM encoder. ADPCM was developed in the early 1970s at Bell Labs
Bell Labs
for voice coding, by P. Cummiskey, N. S. Jayant and James L. Flanagan . CONTENTS * 1 In telephony * 2 Split-band or subband ADPCM * 3 Software * 4 References IN TELEPHONYIn telephony , a standard audio signal for a single phone call is encoded as 8000 analog samples per second, of 8 bits each, giving a 64 kbit/s digital signal known as DS0
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Led
A LIGHT-EMITTING DIODE (LED) is a two-lead semiconductor light source . It is a p–n junction diode that emits light when activated. When a suitable voltage is applied to the leads, electrons are able to recombine with electron holes within the device, releasing energy in the form of photons . This effect is called electroluminescence , and the color of the light (corresponding to the energy of the photon) is determined by the energy band gap of the semiconductor. LEDs are typically small (less than 1 mm2) and integrated optical components may be used to shape the radiation pattern . Appearing as practical electronic components in 1962, the earliest LEDs emitted low-intensity infrared light. Infrared
Infrared
LEDs are still frequently used as transmitting elements in remote-control circuits, such as those in remote controls for a wide variety of consumer electronics
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RAM
RANDOM-ACCESS MEMORY (RAM /ræm/ ) is a form of computer data storage which stores frequently used program instructions to increase the general speed of a system. A random-access memory device allows data items to be read or written in almost the same amount of time irrespective of the physical location of data inside the memory. In contrast, with other direct-access data storage media such as hard disks , CD-RWs , DVD-RWs and the older magnetic tapes and drum memory , the time required to read and write data items varies significantly depending on their physical locations on the recording medium, due to mechanical limitations such as media rotation speeds and arm movement. RAM contains multiplexing and demultiplexing circuitry, to connect the data lines to the addressed storage for reading or writing the entry. Usually more than one bit of storage is accessed by the same address, and RAM devices often have multiple data lines and are said to be '8-bit' or '16-bit' etc. devices
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BenQ
BENQ CORPORATION (/ˌbɛn ˈkjuː/ ; Chinese : 明基電通股份有限公司) is a Taiwanese multi-national company that sells and markets technology products, consumer electronics, computing and communications devices under the "BenQ" brand name, which stands for the company slogan Bringing Enjoyment N Quality to life. Its principal products include TFT LCD
TFT LCD
monitors, digital projectors , digital cameras , and mobile computing devices. BenQ's head office is located in Taipei
Taipei
, and the company operates five branch offices in the Asia-Pacific, Europe, China, Latin America and North America, and employs over 1,300 individuals. The "BenQ" brand is present in more than 100 countries worldwide
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PIC Microcontroller
PIC (usually pronounced as "pick") is a family of microcontrollers made by Microchip Technology , derived from the PIC1650 originally developed by General Instrument
General Instrument
's Microelectronics Division. The name PIC initially referred to Peripheral Interface Controller. The first parts of the family were available in 1976; by 2013 the company had shipped more than twelve billion individual parts, used in a wide variety of embedded systems . Early models of PIC had read-only memory (ROM) or field-programmable EPROM
EPROM
for program storage, some with provision for erasing memory. All current models use flash memory for program storage, and newer models allow the PIC to reprogram itself. Program memory and data memory are separated. Data memory is 8-bit, 16-bit, and, in latest models, 32-bit wide. Program instructions vary in bit-count by family of PIC, and may be 12, 14, 16, or 24 bits long
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YouTube
YOUTUBE is an American video-sharing website headquartered in San Bruno, California . The service was created by three former PayPal employees— Chad Hurley
Chad Hurley
, Steve Chen , and Jawed Karim
Jawed Karim
—in February 2005. Google
Google
bought the site in November 2006 for US$1.65 billion; YouTube
YouTube
now operates as one of Google's subsidiaries . YouTube
YouTube
allows users to upload, view, rate, share, add to favorites, report, comment on videos, and subscribe to other users . It offers a wide variety of user-generated and corporate media videos. Available content includes video clips , TV show clips, music videos , short and documentary films, audio recordings, movie trailers , live streams , and other content such as video blogging , short original videos, and educational videos
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Podcasts
A PODCAST is an episodic series of digital audio files which a user can download and listen to. It is often available for subscription, so that new episodes are automatically downloaded via web syndication to the user's own local computer, mobile application, or portable media player . The word arose as a portmanteau of "iPod " (a brand of media player) and "broadcast ". Thus, the files distributed are in audio format, but may sometimes include other file formats such as PDF or ePub . Videos which are shared following a podcast model are called video podcasts or vodcasts. The distributor of a podcast maintains a central list of the files on a server as a web feed that can be accessed through the Internet
Internet
. The listener or viewer uses special client application software on a computer or media player, known as a podcatcher , which accesses this web feed, checks it for updates, and downloads any new files in the series
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Dashboard (Mac OS)
DASHBOARD is an application for Apple Inc.
Apple Inc.
's Mac OS X
Mac OS X
operating systems, used as a secondary desktop for hosting mini-applications known as widgets . These are intended to be simple applications that do not take time to launch. Dashboard applications supplied with Mac OS X include a stock ticker, weather report, calculator and notepad; users can create or download their own. Before Mac OS X
Mac OS X
10.7 Lion , when Dashboard is activated, the user's desktop is dimmed and widgets appear in the foreground. Like application windows, they can be moved around, rearranged, deleted, and recreated (so that more than one of the same Widget is open at the same time, possibly with different settings). New widgets can be opened, via an icon bar on the bottom of the layer, loading a list of available apps similar to the iOS homescreen or the Mac OS X
Mac OS X
Launchpad
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Extensible Messaging And Presence Protocol
EXTENSIBLE MESSAGING AND PRESENCE PROTOCOL (XMPP) is a communications protocol for message-oriented middleware based on XML
XML
(Extensible Markup Language). It enables the near-real-time exchange of structured yet extensible data between any two or more network entities. Originally named JABBER, the protocol was developed by the Jabber open-source community in 1999 for near real-time instant messaging (IM), presence information , and contact list maintenance. Designed to be extensible , the protocol has been used also for publish-subscribe systems, signalling for VoIP , video, file transfer , gaming , the Internet of Things
Internet of Things
(IoT) applications such as the smart grid , and social networking services
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TCP/IP
The INTERNET PROTOCOL SUITE is the conceptual model and set of communications protocols used on the Internet
Internet
and similar computer networks . It is commonly known as TCP/IP because the original protocols in the suite are the Transmission Control Protocol (TCP) and the Internet Protocol (IP). It is occasionally known as the DEPARTMENT OF DEFENSE (DOD) MODEL, because the development of the networking model was funded by DARPA
DARPA
, an agency of the United States Department of Defense . The Internet protocol suite provides end-to-end data communication specifying how data should be packetized, addressed, transmitted, routed and received. This functionality is organized into four abstraction layers which are used to classify all related protocols according to the scope of networking involved
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Virtual Machine
In computing, a VIRTUAL MACHINE (VM) is an emulation of a computer system. Virtual machines are based on computer architectures and provide functionality of a physical computer. Their implementations may involve specialized hardware, software, or a combination. There are different kinds of virtual machines, each with different functions: * System virtual machines (also termed full virtualization VMs) provide a substitute for a real machine. They provide functionality needed to execute entire operating systems . A hypervisor uses native execution to share and manage hardware, allowing for multiple environments which are isolated from one another, yet exist on the same physical machine
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Hacker (computer Security)
A SECURITY HACKER is someone who seeks to breach defenses and exploit weaknesses in a computer system or network . Hackers may be motivated by a multitude of reasons, such as profit, protest, information gathering, challenge, recreation, or to evaluate system weaknesses to assist in formulating defenses against potential hackers. The subculture that has evolved around hackers is often referred to as the computer underground. There is a longstanding controversy about the term's true meaning. In this controversy, the term hacker is reclaimed by computer programmers who argue that it refers simply to someone with an advanced understanding of computers and computer networks, and that CRACKER is the more appropriate term for those who break into computers, whether computer criminal (black hats ) or computer security expert (white hats ). A 2014 article concluded that "... the black-hat meaning still prevails among the general public"
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DEF CON
DEF CON
DEF CON
(also written as DEFCON, DEFCON, OR DC) is one of the world's largest hacker conventions , held annually in Las Vegas
Las Vegas
, Nevada
Nevada
, with the first DEF CON
DEF CON
taking place in June 1993. Many of the attendees at DEF CON
DEF CON
include computer security professionals, journalists , lawyers , federal government employees, security researchers, students, and hackers with a general interest in software , computer architecture , phone phreaking , hardware modification, and anything else that can be "hacked." The event consists of several tracks of speakers about computer- and hacking-related subjects, as well as social events Wargames and contests in everything from creating the longest Wi-Fi
Wi-Fi
connection (aircrack-ng) and hacking computer systems to who can most effectively cool a beer in the Nevada heat
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