==== Aufgabe 1: ====
Rechne um:
  * a) $92_{10} = 1011100_2$
  * b) $10101010_2 = 128 + 32 + 8 + 2 = 170_{10}$
  * c) $63_{10} = 111111_2$
  * d) $11001100_2 = 128 + 64 + 8 + 4 = 204_{10}$