Ask QTP

Designing 'Experience' that clicks with the Users

ani01104@gmail.com (Madhumita) — Sat, 28 Jan 2012 09:04:00 +0000

The Web-ex session will give an overview of âUsability and User Experience Designâ, establishing its correlation with business and technology. It will provide a landscape view of User Centered Design (UCD) process and its collaboration with Software Development Life Cycle. The session is also expected to cover tools & techniques used in UX design and typical roles & deliverables from UX team members. In the end, this session will also touch upon the current trends in User Experience and the road ahead

Key learning of this session are:

What is User Experience (UX) Design?
Business benefits of UX design?
How UX is correlated with Business and Technology?
Roles of UX team members?
When to engage UX team in Software Development?
WWhat are the current trends in UX?

CGI	Servlet
CGI is very initial attempt to work with client server architecture.A CGI creates a new process every-time it receives a new request from client.This can be written in various language.Basically a heavy weight process	Servlet is more advanced for client server architecture As it is proved by java,it process a new thread upon getting new request. It is lightweight process
Number of process for any server is predefined,hence multiple request if , went to the server and server could not process it , there may be a loss in process via request	Thread is a light weight process it is true but there is no limit for that,hence there is no loss in process.
CGI executes the processes in their own OS Shell, doesn’t have concurrency conflicts. but creation of OS shell is a heavy weight process.It takes a higher time to be created. Process life cycle takes a lot of time to complete and it effects response time of the server (goes high.)	The first time a Servlet is requested, it is loaded into memory and cached. From then on, the same Servlet instance is used, with different requests being handled by different threads. Thread lifecycle is very short hence improve the server response.
CGI is mainly for text processing application where less or no security or object orientation process required.	Servlet is for Enterprise application where mostly we use object orientation
CGI servers requires to start a new interpreter for every request which eats up the resources and probable process	Upon request a new thread is opened so no need to open interpreter.
There might be a chance Client submits a request to CGI that terminates before responding.The browser will be still in waiting for information mode.	Not possible in Servlet
Any bug can not crash the web server	Any bug can is easily caught by exception handler.
CGI is not scalable moreover programming language is platform dependent.If you change operating system,the CGI process may fail.we need to recompile everything for the new OS.	Powered by Java.Hence highly scalable and servlet programming is platform independent as long as the JVM is running and supported by OS.
No separation between presentation and business layer.CGI cannot read and set HTTP headers, handle cookies, tracking sessions.	Business layer and Presentation layer is always different as Servlet can read and set HTTP headers, handle cookies, tracking sessions.
CGI can process only one request	Servlet can process multiple request.
CGI is not based on pooling (which hold no external resource but occupy memory i.e. not destroy after used) Its container managed pooling object.	JVM supports pooling of objects so as Servlet.
CGI creates its own memory space for every request viz process.	Servlet shares the memory space.
Advantage of CGI is that it can precess and run any script any given point of time.	In servlet any script first get translated into java then it gets compiled and run.

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Designing 'Experience' that clicks with the Users

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