KVM Switch for Keyboard, Video or Visual Disply Unit and Mouse.
KVM Switch is normally use by user for the multiple computers controll by one keyboard, monitor and mouse.
All Computers are joint with the KVM switch, typically a smaller number of computers can be controlled at any given time.
In Technology Modern devices have also included the ability to share USB devices, speakers with one or more computers.
Also Multipal function in reverse it is, one single computer can be connect to multiple monitors, keyboards and mouse by some KVM Swithces.
While not as common as the former, this configuration is useful when the operator wants to access a single computer from two or more locations - for example, a public kiosk machine that also has a staff maintenance interface behind the counter, or a home office computer that doubles as a home theater PC.