Any ASCII - 11 keys:

              

          A Keyboard is an input device which is used to type characters of alphabets (lower and Upper case) using 26 keys, Numbers using 10 keys and some symbols with the respective special keys.But you can type all the ASCII characters with 11 keys.

   How possible it is:

1.      For typing all the ASCII characters just 11 keys are more than enough.

2.      The keys are:

       a.      Alt key

       b.      Numeric keys in Number pad(Right side of Keyboard).

3.      Type ALT + 65 (Number Pad). It displays ‘A’. ALT + 230 it displays ‘µ’.

ASCII Values and its Characters:

Important & Frequently used ASCII Values: