Computer Keyboard

Computer Keyboard

1. What is a computer keyboard?

   • It is a device that allows the user to enter information into a system through the use of a series of keys labeled with their respective character or function.

2. Kinds of keyboards

   • Mechanical keyboards
     • Under each key they have an individual mechanism called a switch to detect the pressure of each key and send the corresponding signals to the controller board.
   • Membrane keyboards
     • It have a rubbery surface under the keys that forms a matrix and is responsible for detecting which key was pressed.

3. Special keys on the keyboard

   • ALT
   • CTRL
   • ENTER
   • FN
   • TAB
   • BACKSPACE
   • SHIFT
   • WINDOWS OR CMD

4. Guide keys

   • Left hand
     • A: little finger
     • S: ring finger
     • D: middle finger
     • F: index finger
   • Right hand
     • Ñ: little finger
     • L: ring finger
     • K: middle finger
     • J: index finger