00338nam a2200145Ia 45000030006000000080041000060400015000471000016000622450060000782500010001382600009001483000006001575460012001630050017001750STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aRavi Pandit  aComputer number systems codes and arithematic operation  aFirst  c1973  a0  aEnglish20220125160204.0