9) Which shortcut key is used to refresh windows desktop?

F12

Answer is:

F5

Serially

Sequentially

hierarchically

Aplhabtically

Answer is:

Desktop

Notification Area

Start Button

Task Bar

Answer is:

start - control panel - settings - add programs - enable automatic update

start - setting - control panel - system - enable automatic updated

re- install windows Os

restart windows

Answer is:

Device Manger - right click on USB root hub - disable device

Device Manger - right click on USB root hub - enable device

Device Manger - right click on USB root hub - scan for hardware changes

Device Manger - right click on USB root hub - Update drives

Answer is: