Answer:
Automatic and Explicit Buffering.
In the case of explicit buffering, the length of the queue is provided while in automatic buffering the queue size needs to be indefinite. In automatic buffering there is no need to block the sender while coping the message. While in explicit buffering the sender is blocked for the space in queue.
No memory is being wasted in explicit buffering.
Send by Copy and Send by Reference.
By using the send by copy method, the receiver is not able to change the state of parameter while send by reference allow. The advantage of using the send by reference method is that it allows to change a centralized application to its distributed version.
Fixed-sized and Variable-sized Messages.
In fixed size messaging refers, the buffer size is fixed. This means only a particular number of messages can only be supported by the fixed size buffer. The drawback of the fixed size messages is that they must be a part of fixed size buffer. These are not a part of variable size buffer. The advantage of variable size message is that the length of the message is variable means not fixed. The buffer length is unknown. The shared memory is being used by the variable size messages.
Explanation:
Answer:
The design model is the description of the model to be implemented, the analysis model is the model that links the design and the system or domain model while the domain model is the entire software implementation.
Explanation:
The domain model is the conceptual aspect of software engineering that comprises operational and data features. The analysis model is the schematic description of the system that links the design model to the system domain. The design model is also known as the object model as it shows an abstract representation of the implementation. It helps to test the quality of the software been developed.
Answer:
It is general knowledge
Explanation:
What you covered is general knowledge and the entrance to computer science.
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