APPLICATION SYSTEM SOFTWARE
WHAT IS COMPUTER SOFTWARE
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
A software program that emulates hardware.
|
|
A software program to pool resources as one logical resource.
|
|
A hardware that emulates software.
|
|
A special kernel for create Virtual Machines.
|
Detailed explanation-1: -Virtualization creates a simulated, or virtual, computing environment as opposed to a physical environment. Virtualization often includes computer-generated versions of hardware, operating systems, storage devices, and more.
Detailed explanation-2: -Virtualization uses software to create an abstraction layer over computer hardware that allows the hardware elements of a single computer-processors, memory, storage and more-to be divided into multiple virtual computers, commonly called virtual machines (VMs).
Detailed explanation-3: -There are three main types of server virtualization: full-virtualization, para-virtualization, and OS-level virtualization.
Detailed explanation-4: -A key use of virtualization technology is server virtualization, which uses a software layer–called a hypervisor</a–to emulate the underlying hardware. This often includes the CPU’s memory, input/output (I/O) and network traffic.