Answer:
A keyboard is one of the primary input devices used with a computer. Similar to an electric typewriter, a keyboard is composed of buttons used to create letters, numbers, and symbols, and perform additional functions. The following sections provide more in-depth information and answers to some of the frequently asked questions about the keyboard.
Keyboard overview
QWERTY keyboard layout
Keyboard ports and interfaces
Types of keyboards
What else can a keyboard do?
Apple keyboards
Laptop keyboards
Smartphone and tablet keyboards
Why is the keyboard an input device?
Does a computer need a keyboard?
What are multimedia keys?
What keys appear twice on a keyboard?
How to use a computer keyboard.
How can I improve my typing?
When was the first keyboard invented?
Keyboard shortcut keys
Related pages
Keyboard help and support.
Explanation: