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C++ COM Active X Interview Questions and Answers

1
What is the STL, standard template library?

STL contains classes, algorithms, and iterators. It contains set of ready to use C++ classes that can be used with built in type and user defined operations. STL uses templates to achieve the results.

2
What is Component Object Model?

COM defines an API to allow for the creation of components for use in integrating custom applications or to allow diverse components to interact.

But in order to interact, components must adhere to a binary structure specified by Microsoft.

As long as components adhere to this binary structure, components written in different languages can interoperate.

3
How does COM provide language transparency?

COM defines an API to allow for the creation of components for use in integrating custom applications or to allow diverse components to interact.
But in order to interact, components must adhere to a binary structure specified by Microsoft.
As long as components adhere to this binary structure, components written in different languages can interoperate.

4
How COM provide the language transparency?

COM defines an API to allow for the creation of components for use in integrating custom applications or to allow diverse components to interact.

But in order to interact, components must adhere to a binary structure specified by Microsoft.
As long as components adhere to this binary structure, components written in different languages can interoperate.

5
What is the object serialization?

A serialized object represents the type of data stored in the object, its information. Object serialization is a process of reading or writing an entire object from a file. This helps in saving session state information by servlets, for sending parameters for Remote Method Invocation (RMI) calls.

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