What is a KVM switch and how might one be useful?

Related questions

1. Is LED or LCD better?
2. Can I hook up two laptops together?
3. How can I use one keyboard and mouse for two computers?
4. Which display panel is best?
5. Can a Bluetooth mouse be paired with two computers?
6. Can I use the same monitor for two computers?
7. How can I connect 2 monitors to one computer?
8. What is a DVI KVM switch?
9. Is it possible to combine two computers?
10. How do I connect two monitors to my laptop with one HDMI port?

Tags

1. #allows
2. #mouse
3. #keyboards
4. #video
5. #computers
6. #hardware
7. #switch
8. #keyboard
9. #device
10. #multiple
11. #being
12. #abbreviation
13. #control
14. #monitors