InterviewSolution
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InterviewSolution
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What Are The Com Components? |
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Answer» It evolved like this when u write a CLASS to reuse in a application, multiple INTANCES of the class EXISTS with each instance of application, Next u want to avoid it so u make a class and PUT it in DLL now only one instance exists though multiple instances of applications exists Applicatoin needs to be recompiled whenever Dll is modified, SO came COM. COM is independent component that internally handles networking, resources ETC, COM USES IDL to communicate to different languages. It evolved like this when u write a CLASS to reuse in a application, multiple intances of the class exists with each instance of application, Next u want to avoid it so u make a class and put it in DLL now only one instance exists though multiple instances of applications exists Applicatoin needs to be recompiled whenever Dll is modified, SO came COM. COM is independent component that internally handles networking, resources etc, COM uses IDL to communicate to different languages. |
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