Is .NET a replacement for COM?

Question

I want to know the purpose of .NET and COM,

• Is .NET the same target as for COM? Because the main purpose of COM is to ensure language compatibility just like .NET?
• If so, why do many companies still use COM for their development projects?
• Is it worth learning COM when we can use .NET?

Answer 1

• COM , ++- Borland ++ builder, VB6. VC6 (COM ). , COM C- ..NET . ++, ++/CLI. , COBOL, .NET? COM . C- API - .

• , COM 80- ( ), - COM-. , .NET . , , , , COM.

• -. .NET , COM ( COM .NET, ). COM, , COM.

PS. COM. , DCOM, , COM- , ( , ). COM . " COM OO?"? , OO? . , : " COM ?". : yes (IMO).

PS. , Firefox, - XPCOM, COM.

Answer 2

Channel9 . Juval Lowy, Microsoft COM/WCF, , WCF-, DCOM

http://channel9.msdn.com/shows/ARCast.TV/ARCastTV-Every-Class-a-WCF-Service-with-Juval-Lowy/

, . , , COM/DCOM . , , -.

COM? , WCF ( .NET) COM. COM , , , .