Answer Posted / p.eswaran

COM:

1. It is Binary Standard, so it supports all the Languages(
java, VC++, VB , .Net ,..)
2. It is already compiled Code.
3. reuse ability.
4. Main Purpose is Client- Server Interaction with in a
Machine.(DCOM for Client- Server Interaction across the
Network.)

Suppose we have object B and aggregated object C (in- proc server), created by B. Can you access any interface of B from C?

996

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Explain Futures of COM?

1010

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Suppose we have object b and aggregated object c (in- proc server), created by b. Can you access any interface of b from c? What?s the difference between aggregated and contained objects?

982

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What is dcom?

994

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Which namespace do the classes, allowing you to support COM functionality, are located?

2616

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What is the use of com component in .net?

1011

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How do we create dcom object in vb6?

1128

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What is reference counting in com?

965

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Define and explain about COM?

1119

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Can I use .net components from com programs?

1051

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Can I use com components from .net programs?

1084

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What is the difference between aggregated and contained objects?

1001

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how to call a dll as a COM dll?

1180

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Once I have developed the com wrapper do I have to still register the com in registry?

1075

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How to create an instance of the object in COM?

974

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