Are you still using the same plastic keyboard that came with your PC? Then it's time to go for a change. Just go through this tutorial and choose an apt keyboard for your PC.
Symbols have remained as the most important aspect of communication. Thanks to the Alt button provisioned with the computer keyboard. Using this you can convey your message easily across people and organizations in a quick and easy manner.
You can connect keyboard, USB hard drives as well as gaming controllers to your Android phone or tablet using a USB OTG adapter. Have a look on this tutorial.