A Computational Grid is a collection of heterogeneous computers and resources spread across multiple administrative domains with the intent of providing users easy access to these resources. There are many ways to access the resources of a Computational Grid, each with unique security requirements and implications for both the resource user and the resource provider.

A comprehensive set of Grid usage scenarios is presented and analyzed with regard to security requirements such as authentication, authorization, integrity, and confidentiality ....etc

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Definition
Pervasive computing refers to embedding computers and communication in our environment. Pervasive computing provides an attractive vision for the future of computing. The idea behind the pervasive computing is to make the computing power disappear in the environment, but will always be there whenever needed or in other words it means availability and invisibility. These invisible computers won't have keyboards or screens, but will watch us, listen to us and interact with us. Pervasive computing makes the computer operate in the mess ....etc

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CLOUD COMPUTING

INTRODUCTION
An emerging computer paradigm where data and services reside in massively scalable data centers in the cloud and can be accessed from any connected devices over the internet.
It is a computing industry where the computing is moved to a cloud of computers.
CHARACTERISTICS
Self Healing
Multi-tenancy
Linearly Scalable
Service Oriented
Flexible
What Technologies is Cloud Computing Replacing
Cloud computing is replacing large Corporate Data Centers and unnecessary, expensive priv ....etc

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There are a growing number of people who want to use remotely sensed data and GIS data. What is needed is a large-scale processing and storage system that provides high bandwidth at low cost.

Scalable computing clusters, ranging from a cluster of (homogeneous or heterogeneous) PCs or workstations, to SMPs, are rapidly becoming the standard platforms for high-performance and large-scale computing. To utilize the resources of a parallel computer, a problem had to be algorithmically expressed as comprising a set of concurrently executing sub-p ....etc

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Definition
Molecular computing is an emerging field to which chemistry, biophysics, molecular biology, electronic engineering, solid state physics and computer science contribute to a large extent. It involves the encoding, manipulation and retrieval of information at a macromolecular level in contrast to the current techniques, which accomplish the above functions via IC miniaturization of bulk devices. The biological systems have unique abilities such as pattern recognition, learning, self-assembly and self-reproduction as well as high speed ....etc

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ecure computing environment- DNA COMPUTING info required. PLease help. ....etc

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Abstract
Cloud computing provides people the way to sharedistributed resources and services that belong to differentorganizations or sites. Since cloud computing share distributedresources via the network in the open environment, thus itmakes security problems important for us to develop the cloudcomputing application. In this paper, we pay attention to thesecurity requirements in cloud computing environment. Weproposed a method to build a trusted computing environmentfor cloud computing system by integrating the trustedcomputing platf ....etc

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what is the differences between the cloud,grid and cluster computing in a ppt format?
what is the differences between the cloud,grid and cluster computing in a ppt format? ....etc

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DNA computing


DNA computing is a form of computing which uses DNA, biochemistry and molecular biology, instead of the traditional silicon-based computer technologies. DNA computing, or, more generally, molecular computing, is a fast developing interdisciplinary area. R&D in this area concerns theory, experiments and applications of DNA computing.
Contents

History

This field was initially developed by Leonard Adleman of the University of Southern California, in 1994 . Adleman demonstrated a proof-of-concept use of DNA as a form ....etc

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Hi,

The Security of Cloud Computing System enabled by Trusted Computing Technology



Thank
dasarad
Hi,

The Security of Cloud Computing System enabled by Trusted Computing Technology

Thanks
dasa ....etc

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