iPhone 4G

Apples iPhone 4G is introduced by steve jobs. iPhone 4G is the thinnest smartphone among all which is covered with stainless steel casing.


Rich Internet Applications (RIA) technologies are web-based applications that approach the speed and elegance of local applications. The term Rich Internet Application was introduced in a Macromedia white paper in March 2002.


Google Chrome OS is a new operating system introduced by Android. Android was designed from the beginning to work across a variety of devices from phones to set-top boxes to netbooks. The CHROME OS is designed to achieve speed, simplicity and security. The CHROME OS is fast and lightweight and takes very less time to start up and browsing is also with great fast. The security architecture of the OS is tight like linux users don’t have to deal with viruses, malware and security updates.

Advanced Encryption Standard

Advanced Encryption Standard, a symmetric 128-bitblock data encryption technique developed by Belgian cryptographers Joan Daemen and Vincent Rijmen. The Advanced Encryption Standard (AES) is an encryption algorithm for securing sensitive but unclassified material by U.S. Government agencies and, as a likely consequence, may eventually become the de facto encryption standard for commercial transactions in the private sector.

A cognitive radio approach for using of virtual unlicensed spectrum

The approach of Cognitive Radio for the usage of VirtualUnlicensed Spectrum (CORVUS), a vision of a Cognitive Radio (CR) based approach that uses allocated spectrum in a opportunistic manner to create virtual unlicensed bands i.e. bands that are shared with the primary (often licensed) users on a non-interfering basis.