What Is a Scancode?

A keyboard scan code (English: scancode or scan code ) is a piece of data that most computer keyboards send to a computer to report which keys were pressed. It uses a number or sequence of numbers to represent each key assigned to the keyboard.
Keyboard scan code (English: scancode or scan code )
Mapping key positions with rows and columns reduces complexity
  • Dead key
  • Meta button
  • Keyboard layout