This trick is very simple and many of you already know it. But i am posting this trick for those who didn't know it.
To access internet on PC using android device follow the steps below :-
1) First of all Get an android device and a data cable.
2) Enable cellular data on your android device.
3) Now connect your device to computer.
4) You can select any mode except only charging mode.
5) After connecting to PC with data cable, Open setting in your android mobile and go to Tethering & Portable Hotspot
6) Enable USB tethering.
Now, wait for few seconds and your PC will be connected to Internet. Now you can access internet in PC using Android Device.
Note : Before connecting to PC make sure that you have activated cellular data in your device otherwise this will not work.