Answer Posted / Ranjana Singh

A virtual machine (VM) is a software emulation of a physical computer that runs on another operating system. It allows multiple isolated environments to run simultaneously on a single physical machine, each with its own operating system and applications. VMs are useful for testing new software or isolating potentially harmful code to prevent it from affecting the host system. In blockchain development, Ethereum uses a virtual machine called the Ethereum Virtual Machine (EVM) to execute smart contracts.

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