If your device is in the compatibility list above, the short answer is : yes but it depends of your firmware version, latest firmware have less chance to be rooted. Unroot also very simple, just use this option in framaroot application. All compatible devices can be found here. You can install Superuser and su binary on phone or tablet from android version 2.x to 4.x. This app including several exploits named as the heroes of the book The Lord of the Rings Gandalf, Boromir, Pippin, Legolas, Sam, Frodo, Aragorn and Gimli. Now you can root your android device without PC, just use framaroot.
