00318nam a2200121Ia 4500008004100000041001200041082001400053100003100067245006100098260001000159440000900169650001800178240126s9999    xx            000 0 und d  aEnglish  aPRCS92-63  aAparna P. Rizwana, Fathima 0aPC AT based serial I/O interfacebPhadke R G Kavitha B M  bPESIT  aNULL  aI/O interface