what is the difference between physical and virtual entity?
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The existence of a physical entity is time-dependant and the lifetime of a physical entity is usually bound in time. ... Virtual entities are thus entirely detached from any physical reality. They typically belong to concepts, thoughts, perceptions, illusions, categories, or abstractions.
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Physical addresses refer to hardware addresses of physical memory. Virtual addresses refer to the virtual store viewed by the process. ... only a portion of the address space that processes do use is loaded into physical memory at a time.
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Thus, the main difference between full virtualization and paravirtualization is that full virtualization allows guest operating systems to execute independently while paravirtualization allows guest operating systems to communicate with the hypervisor.
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As adjectives the difference between digital and virtual is that digital is having to do with digits (fingers or toes); performed with a finger while virtual is in effect or essence, if not in fact or reality; imitated, simulated.
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Whereas an entity type represents an abstract category, an entity instance is a manifestation of an entity within that category. For example, Cell could be the entity type, but Cell_1 , Cell_2 , and Cell_3 would represent the actual items within the network.
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A virtual machine (VM) is a software computer used as emulation of an actual physical computer. ... The architecture of a virtual server is a little more complex than that of a physical server. Thus, a hypervisor, such as VMware vSphere or Microsoft Hyper-V, is installed on top of physical hardware.
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The main difference between entities and value objects lies in the way we compare their instances to each other. The concept of identifier equality refers to entities, whereas the concept of structural equality - to value objects. In other words, entities possess inherent identity while value objects don't.
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Logical address is address generated by CPU during execution whereas Physical Address refers to location in memory unit(the one that is loaded into memory). Note that user deals with only logical address(Virtual address). The logical address undergoes translation by the MMU or address translation unit in particular.
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The main difference between 'virtual function' and 'pure virtual function' is that 'virtual function' has its definition in the base class and also the inheriting derived classes redefine it. The pure virtual function has no definition in the base class, and all the inheriting derived classes has to redefine it.
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As adjectives the difference between factual and actual is that factual is of or characterised by or consisting of facts while actual is existing in act or reality, not just potentially; really acted or acting; occurring in fact.
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As nouns the difference between entity and organization is that entity is that which has a distinct existence as an individual unit often used for organisations which have no physical form while organization is (uncountable) the quality of being organized.
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What is the difference between a physical model and a conceptual model? A physical model is a representation of a very large or small object shown at a convenient scale. A conceptual model is an explanation that treats what is being explained as a system.
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An entity is an object that exists and is distinguishable from other objects. For instance, John Harris with S.I.N. 890-12-3456 is an entity, as he can be uniquely identified as one particular person in the universe. ... An entity set is a set of entities of the same type (e.g., all persons having an account at a bank).
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Simulation/Emulation runs as a run-time emulator of physical hardware. ... Virtualization uses a hypervisor, which provides synthetic hardware abstraction - meaning, virtualization can run at the same performance as if it were running on physical hardware.
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As adjectives the difference between material and physical is that material is having to do with matter while physical is having to do with the body.
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A static member is something that does not relate to any instance, only to the class. A virtual member is something that does not relate directly to any class, only to an instance. So a static virtual member would be something that does not relate to any instance or any class.
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The difference is in knowing which one is real, and which one is simply a view of the real thing. In other words, if you delete the real entity (the thing) in the database, the entity bean disintegrates.