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What is Space Mouse?

Introduction: Every day of your computing life, you reach out for the mouse whenever you want to move the cursor or activate something. The mouse senses your motion and your clicks and sends them to the computer so it can respond appropriately. An ordinary mouse detects motion in the X and Y plane and acts as a two dimensional controller. Space Mouse is a professional 3D controller specifically designed for manipulating objects in a 3D environment. What is Space Mouse?…

Google paying $1+ billion to Apple Inc

Google paying $1+ billion per year to keep Google search bar on iPhone When Microsoft denied Google appeal to assign google search as default option on Windows operating systems ,Google made a deal with Apple and paying around $1+ billion every year .Payment also based on revenue generated from Google ads clicks from apple iphone devices .   Google Inc. took this step after getting sued from Oracle Inc. for using their java while developing android .   Special court ordered Google to pay…

What is Holography?

History of Holography: Invented in 1948 by Dennis Gabor for use in electron microscopy, before the invention of the laser. Leith and Upatnieks (1962) applied laser light to holography. Conventional vs. Holographic photography: Conventional:  ¨2-d version of a 3-d scene ¨Photograph lacks depth perception ¨Film sensitive only to radiant energy ¨Phase relation (i.e. interference) are lost Hologram:  ¨Freezes the intricate wave front of light that carries all the visual information of the scene ¨To view a hologram, the wave front…

What is Artificial Intelligence?

Introduction: Artificial intelligence(AI) is technology and a branch of computer science that studies and develops intelligent machines and software. Here intelligent system means a system that perceives its environment and learn through experience like human beings. In 1955, John McCarthy coined the term “Artificial Intelligence”.   Intelligence: Intelligence is the ability to learn about, to learn from, to understand about, and interact with one’s environment. Intelligence is the faculty for understanding. “Intelligence is not to make no mistakes but quickly to understand…

Gi-Fi Technology

Gi-Fi or gigabit wireless refers to a wireless communication at a data rate of more than one billion bits (gigabit) per second. By 2004 some trade press used the term “Gi-Fi” to refer to faster versions of the IEEE 802.11 standards marketed under the trademark Wi-Fi.

What is Blue Jacking?

Know Bluetooth Technology: žBluetooth is a wireless networking standard created for personal area networks (PANs). Is was founded in 1994,as wireless data transmission technology using radio transmissions.žBluetooth is a cable replacement technology. žBluetooth is an IEEE standard under the denomination of 802.15 WPANs.žž Bluetooth provides cheap connection between two or more devices.žžBluetooth has a short range of approximately 10 meters up to 25 meters.žžBluetooth offers low speeds of approximately 1Mbps. What is Blue Jacking: žBlue jacking exploits a Bluetooth device’s…

Cyber Bullying

What is Cyber Bullying? When the internet, cell phones or other digital devices are used to send or post text or images intended to hurt or embarrass another person.Examples of cyber bullying include mean text messages or emails, rumours sent by email or posted on social networking sites, and embarrassing pictures, videos, websites, or fake profiles. There are two kinds of Cyber Bullying: Direct Attacks- messages sent directly to the victim. Cyber Bullying by Proxy– Using someone else to cyber bully…

What is Captcha ?

A CAPTCHA (an acronym for “Completely Automated Public Turing test to tell Computers and Humans Apart”) is a type of challenge-response test used in computing to determine whether or not the user is human. The term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford.

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