Keyboards are typewriter-style devices that that use buttons and keys to move leavers and put it on a computer screen.
Once a button is pressed a corresponding symbol appears on the screen.
As shown above, the keys on a keyboard typically have letters, symbols and numbers.
Keyboards mare used worldwide to make tasks easier and efficient. They may be used to create many different things. That of which includes being able to use a computer with ease, writing papers, letters, programs or even gaming.
I use a keyboard daily at work. I write long papers and fill in data into different programs, that of which will be much harder and time consuming without it.