Keyword Analysis & Research: simulation vs emulation vs virtualization

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What is the difference between a simulator and an emulator?

A simulator is an environment which models but an emulator is one that replicates the usage as on the original device or system. Simulator mimics the activity of something that it is simulating. It "appears"(a lot can go with this "appears", depending on the context) to be the same as the thing being simulated.

What is virtualization and how does it work?

How virtualization works. Virtualization describes a technology in which an application, guest operating system or data storage is abstracted away from the true underlying hardware or software. A key use of virtualization technology is server virtualization, which uses a software layer called a hypervisor to emulate the underlying hardware.

What is virtualization on a CPU?

CPU virtualization involves a single CPU acting as if it were two separate CPUs. In effect, this is like running two separate computers on a single physical machine. Perhaps the most common reason for doing this is to run two different operating systems on one machine.

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