Librarians spend a significant portion of time at their desks or in front of computer terminals; extended work at video display terminals . Assisting users in obtaining information or books for their jobs, homework, or recreational reading ,  working with users under deadlines. Some librarians lift and carry books, and some have to climb ladders to reach high stacks, although most modern libraries have readily accessible stacks. Librarians in small organizations sometimes shelve books themselves.

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The .NET Framework 3.5 provides the foundation for building connected and appealing applications, productively, on a wide variety of systems from the device to the data center.

Microsoft continues to support developers using the .NET Framework platform by providing support for applications built in previous versions to the 3.5 release, so existing applications built for .NET Framework 2.0 or .NET Framework 3.0 will continue to work.

The .NET Framework 3.5 adds new features in several major technology areas:

• Deep integration of Language Integrated Query (LINQ) and data awareness.
• Support for Web 2.0 AJAX-style applications and services in ASP.NET and WCF.
• Full tooling support for WF, Windows Communication Foundation (WCF), and Windows Presentation Foundation (WPF), including the new workflow-enabled services technology.
• New classes in the base class library (BCL) for the .NET Framework 3.5 address the most common customer requests.

The .NET Framework class library is a library of classes, interfaces, and value types that are included in the Windows Software Development Kit (SDK). This library provides access to system functionality and is designed to be the foundation on which .NET Framework applications, components, and controls are built.

refer http://msdn.microsoft.com/en-us/library/ms229335.aspx

5/8.

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Assembly versioning allows the application to specify not only the library it needs to run (which was available under Win32), but also the version of the assembly.

Document libraries consist of your core documents. An example would be a word document,
excel, powerpoint, visio, pdf, etc. Form libraries consist of XML forms.

A system-level software driver that is used by an EJB container or an application client to connect to an enterprise information system. A resource adapter typically is specific to an enterprise information system. It is available as a library and is used within the address space of the server or client using it. A resource adapter plugs in to a container. The application components deployed on the container then use the client API (exposed by the adapter) or tool-generated high-level abstractions to access the underlying enterprise information system. The resource adapter and EJB container collaborate to provide the underlying mechanisms-transactions, security, and connection pooling-for connectivity to the enterprise information system.

Object request broker. A library that enables CORBA objects to locate and communicate with one another. What is OS principal

A principal native to the operating system on which the J2EE platform is executing.