Edexcel curriculum (2015)
What is a computer?
Inside the CPU
LAN, WAN and PAN
The world wide web
HTML and CSS
Models and sims
Models and simulators
A virtual machine is a layer of software that allows one computer to simulate another and to run more than one operating systems.
The virtual machine acts as if it is a hardware machine, ‘deceiving’ the guest operating system into believing that it is installed on a computer when in fact it is not.
with the continued increase in processor power, most desktop computers are capable of running many operating systems simultaneously.
Why have a VM?
To ‘ring fence’ a program so that it cannot damage the host machine
To provide a secure teaching environment for pupils of computer science.
So, you can use a VM to and not care about the consequences as it will have no impact on your “real” computer