Webcam
Small camera Digital, Connected to the computer, That advertises regularly and weather real - Web video images from different locations on planet and achieve videoconferencing Internet, friends or professionally.
Webcast
Issue audio or video posted on the WebLive or delayed, the user can hear or see on the screen of his computer through a media player. This mode dissemination is in addition to other types of distribution via traditional channels such as radio and television.
WEP
Protocol security specified in the standard IEEE 802.11 to provide users of wireless LANs protection against piracy. WEP seeks to provide them a Privacy similar to that wired networks can offer.
When WEP is enabled in a LAN Wireless, 802.11 each packet is encrypted in a codestream RC4Generated by a 64 bit key. This key is composed by an initialization vector (IV Intitialization Vector) 24-bit and a 40-bit WEP key. The encrypted key is generated by a XOR between the original packet and the RC4 stream. The IV is chosen by the issuer and may be changed periodically so that all packets are not encrypted with the same stream.
However, the protocol WPA is required to replace completely for security reasons.
Widget
The widgets, assembly ofHTMLOf CSS and JavaScript (and occasionally a compiled language), are occasionally used applications, from small tools to get information (calculator, Post-it, drive RSS...). At Apple, they are stored on the Dashboard, One of the new features in Tiger, the latest version of Mac OS X. They are also found on the interface Windows Vista.
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