sehgalshabnam's Space http://sehgalshabnam.posterous.com Most recent posts at sehgalshabnam's Space posterous.com Sat, 27 Oct 2012 07:25:00 -0700 Characteristics of Embedded system http://sehgalshabnam.posterous.com/characteristics-of-embedded-system http://sehgalshabnam.posterous.com/characteristics-of-embedded-system

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An Embedded system is a computer system designed for specific control functions within a larger system, often with real-time computing constraints. Embedded as part of a complete device often including hardware and mechanical parts. By contrast, a general-purpose computer, such as a personal computer, is designed to be flexible and to meet a wide range of end-user needs. Embedded system is dedicated to specific tasks, design engineers can optimize it to reduce the size and cost of the product and increase the reliability and performance.

Embedded systems are designed to do some specific task, rather than be a general-purpose computer for multiple tasks. Some also have real-time performance constraints that must be met, for reasons such as safety and usability; others may have low or no performance requirements, allowing the system hardware to be simplified to reduce costs. The program instructions written for embedded systems are referred to as firmware, and are stored in read-only memory or Flash memory chips. The integration of microcontrollers has further increased the applications for which embedded systems are used into areas where traditionally a computer would not have been considered. A general purpose and comparatively low-cost microcontroller may often be programmed to fulfill the same role as a large number of separate components. Although in this context an embedded system is usually more complex than a traditional solution, most of the complexity is contained within the microcontroller itself.

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Sat, 27 Oct 2012 07:17:00 -0700 What is Web Development? http://sehgalshabnam.posterous.com/what-is-web-development http://sehgalshabnam.posterous.com/what-is-web-development

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The term Web development is used for several different activities which are linked to the developing of a website especially for the WWW which is the World Wide Web or also called as an intranet. The Web development strategies include the business of the e-commerce, the web designing, the web content development, the client and sever-side coding and also the configuration of the web server.

There is a different meaning to the term web development, amongst the experts and professionals of the web; they refer web development as only to those aspects of the making of the websites which do not involve the coding and writing markup.

Web development ranges form the simplest tasks to the highly professional and complex applications. This can include the very simple plain-text page to the complicated applications of the web-based internet, or social networking.

The terms web designer and web developer are used interchangeably in the media and advertisements. But, they are not the same thing. Design involves what the visitor sees on your website, development involves the site’s functionality.

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