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What is the virtual machine system?
Java virtual machine
What is the machine system?
Java virtual machine
What the advantage for an operating system designer of using a virtual machine?
A virtual machine will provide generic hardware that can be found in many other computers. Having a virtual machine eliminates the need to have either a second system, or to reboot to test their operating system.
What are the two major classifications for virtual machines?
Virtual machines are divided into two major classifications, based on their use and degree of correspondence to any real machine. They are either a system virtual machine or a process virtual machine.
Why cant you use all of your systems memory to run a virtual machine?
You can't use all of your system memory to run a virtual machine because then there wouldn't be enough memory for the Operating System that's running the virtual machine to function. For instance, if you have 4 GB of system memory total, and your operating system needs at least a quarter of that (1 GB) to function, then your virtual machine maximum memory would be 3 GB.
Can a virtual machine get a virus?
No, a virtual computer is like any other computer, except you are running it on your own system, any computer can get a virus, as can a virtual machine.
What does the virtual machine software uses to interface between the host operating system and the guest operating system?
Virtual Layer
An effective communication and information management system requires?
An effective communication and information management system requires proper training of those that will implement the system. Training is key for any system to be effective.
When you use a virtual machine you work with discrete sets of information called?
When you use a virtual machine, you work with discrete sets of information called "virtual hardware components" or "virtual resources." These components mimic the physical hardware of a real computer system within the virtual environment to enable the operation of an isolated and independent virtual machine.
Why do modern machines consist of multiple levels of virtual machines?
Modern machines do not consist of multiple levels of virtual machines; that is a function of the host operating system's virtual machine manager and its guest operating systems, all of which are implemented through software. The operating system's virtual machine manager exposes one or more virtual machines upon which you can host one or more guest operating systems and their applications. In order to execute compiled Java applications upon one of these guest operating systems you will also need to install the Java virtual machine for that specific operating system. Thus you end up with a Java program executing within a Java virtual machine executing within a virtual machine executing within a virtual machine manager executing upon the physical hardware. The physical hardware itself may be optimised to handle virtual machine managers more efficiently, but the virtual machine manager is a software program; it is not part of the physical machine architecture
Where can one acquire a virtual server to host their applications?
A virtual server to host applications can be cannot be acquired. A virtual server is basically a virtual machine, which means it can be run simultaneously on the same computer. The virtual machine acts like a separate computer system though.
What is tha advantage for an operating system of using a virtual machine?
An advantage of using a virtual machine is you can run multiple operating systems under the umbrella of one operating system. Without a virtual machine you have to reboot every time you want to want to change operating systems but with a VM you can simply switch between them.
