What is COM capabilities?

1. What is a COM call?
2. What are COM applications?
3. How do COM objects work?
4. What is a COM class?
5. Are COM objects still used?
6. What is COM DCOM tutorial?
7. What are COM servers?
8. What is COM computing?
9. What is COM DLL?
10. How do clients access COM objects?
11. Where are COM objects stored?
12. What are COM objects C#?
13. Which of the following does COM object contain or implement?

What is a COM call?

A COM client is any caller that passes a CLSID to the system to request an instance of a COM object. The simplest way to create an instance is to call the COM function, CoCreateInstance.

What are COM applications?

Component Object Model (COM) is a binary-interface standard for software components introduced by Microsoft in 1993. ... COM is an interface technology defined and implemented as standard only on Microsoft Windows and Apple's Core Foundation 1.3 and later plug-in application programming interface (API).

How do COM objects work?

COM defines the essential nature of a COM object. In general, a software object is made up of a set of data and the functions that manipulate the data. A COM object is one in which access to an object's data is achieved exclusively through one or more sets of related functions.

What is a COM class?

A COM class is an implementation of a group of interfaces in code executed whenever you interact with a given object. ... COM is designed to allow a class to be used by different applications, including applications written without knowledge of that particular class's existence.

Are COM objects still used?

Component Object Model (COM) is a binary-interface standard for software components introduced by Microsoft in 1993. It is used to enable inter-process communication and dynamic object creation in a large range of programming languages. And the countdown of the COM began in 2000. ...

What is COM DCOM tutorial?

Distributed COM (DCOM) is a Microsoft technology that provides Windows applications with the ability to connect from one computer to another on a LAN, a WAN, or an Internet connection.

What are COM servers?

A COM server is any object that provides services to clients; these services are in the form of COM interface implementations that can be called by any client that is able to get a pointer to one of the interfaces on the server object.

What is COM computing?

COM (communication port) is the original, yet still common, name of the serial port interface on PC-compatible computers. It can refer not only to physical ports, but also to emulated ports, such as ports created by Bluetooth or USB adapters.

What is COM DLL?

A COM DLL is simply a DLL with Com-specific entry points. COM exposes class factories for creating com objects, so there needs to be a way of getting access to one of the class factories implemented by a COM server.

How do clients access COM objects?

A COM object exposes a set of interfaces that the COM client uses to access the services of the object. The client must communicate with a COM object through its interfaces. In the COM paradigm, the client never operates on a reference to an object, but only on a reference to one of its interfaces.

Where are COM objects stored?

That means, whenever you create an object as static or local, it gets stored in heap. All the class variable primitive or object references (which is just a pointer to location where object is stored i.e. heap) are also stored in heap.

What are COM objects C#?

Component Object Model (COM) is a method to facilitate communication between different applications and languages. ... COM is used by developers to create re-usable software components, link components together to build applications, and take advantage of Windows services.

Which of the following does COM object contain or implement?

The correct answer is C. A COM object contains one or more interfaces. 4.