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Sunday, October 03, 2010

www (world wide web)

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The World Wide Web , abbreviated as WWW and commonly known as The Web, is a system of interlinked hypertext documents contained on the Inter...
Sunday, September 26, 2010

TIPS AND TRICKS

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Check cyber Crimes http://www.mangalorean.com/ 1 . Make Sound When you press capslock and num lock Go to control panel- click Acces...
Thursday, September 23, 2010

DATA FLOW DIAGRAM

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Data flow diagrams illustrate how data is processed by a system in terms of inputs and outputs. A data-flow diagram ( DFD ) is a graphic...
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Tuesday, September 21, 2010

SESSION LAYER

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The Session Layer is Layer 5 of the seven-layer OSI model of computer networking. The Session Layer provides the mechanism for opening, cl...

TRANSPORT LAYER

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There are many services that can be optionally provided by a Transport Layer protocol, and different protocols may or may not implement them...

WORK BREAKDOWN STRUCTURE

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A work breakdown structure (WBS) in project management and systems engineering, is a tool used to define and group a project's discrete ...

Top-Down versus Bottom-Up COST ESTIMATION

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In general, the application of the estimating techniques listed previously occur in two ways: top-down and bottom-up. Top-down refers to es...

NETWORK LAYER (OSI)

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The third-lowest layer of the OSI Reference Model is the network layer. If the data link layer is the one that basically defines the boundar...

PHYSICAL LAYER (OSI)

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The lowest layer of the OSI Reference Model is layer 1, the physical layer; it is commonly abbreviated “PHY”. The physical layer is special ...

DATA LINK LAYER (OSI)

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The second-lowest layer (layer 2) in the OSI Reference Model stack is the data link layer, often abbreviated “DLL” (though that abbreviation...

EXPERT JUDGEMENT

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The majority of research work carried out in the software cost estimation field has been devoted to algorithmic models. However, by an overw...

DELPHI ESTIMATION

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  Delphi Process The Delphi estimation method is a consensus-based technique for estimating effort. It derives from the Delphi Method whic...

COHESION

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In computer programming, cohesion is a measure of how strongly-related is the functionality expressed by the source code of a software modul...