What are the advantages and disadvantages of a keyboard?

advanatges: it comes with the computer so you don't need to spend money on buying one, It is easy to use
The advantages of keyboard are: 1. keyboards have special key that proform specific functions. 2. instead of using the mouse to move the cursor you can use the arrow key situated on the keyboard to move the cursor on the monitor. 3. keyboard are less expensive because it comes with every computer. The disadvantages of keyboard are: 1. The person using the keyboard have to learn how to type. 2. The frequent movement from keyboard to move and back could cause carpal tunnel syndrome.