Virtual Machines

Computer Science: OCR A Level, topic 2.1.12

Virtual Machines

Virtual machines allow you to model a real piece of hardware using only software without needing to have the device present.

Virtual machines

Virtual machines

  • A virtual machine is a software recreation of some form of computer.
  • This could be another PC operating system or a games console.
Benefits of using virtual machines

Benefits of using virtual machines

  • Using a virtual machine allows you to test the features and software of a piece of hardware without having the actual hardware.
  • This can save money and time by not needing to obtain the hardware you are emulating.
Drawbacks of virtual machines

Drawbacks of virtual machines

  • Virtual machines require a lot of system resources to run.
  • Virtual machines may not run as efficiently as the actual hardware they are modelling.

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