How to speed up the computer's performance speed through external device.

 we everyone wishes to have a desktop,laptop etc to be fast.so for this we can increase its performance speed by using the external devices like Pendrive,Memory card, etc.
                    It's very easy and simple.Anyone can do it.
       So for this

1. first connect your pendrive,memorycard etc through USB ports to your desktop or laptop.
2. After this you will see a window,where there are lots of option showing like below.
3. 
4. Choose the "open folder to view files" and on the window of your pendrive,or memorycard right click on it and choose the properties option.
5.  
6. when the window opens choose "Ready boost" tab and click on "use this device " and below that you can choose the amount of volume that you want to use for speeding the performance, 
7.  

                     note: the more space you give the more speed will gain so it on your wish.
      Then  after it click on "Apply" and then on "ok"
      Boom its done. you can see the effect after that.
      You can also undo this effect by the same process.
  {if you have any problems regarding this post then please feel free to comment below}