00334nam a2200121Ia 4500008004100000041000800041082001900049100002000068245006200088250001000150260004400160300000800204211209s1991    xx            000 0 und d  aeng  a004.16 N91 HAL  aHALL, DOUGLAS V  aMICROPROCESSOR AND INTERFACING: PROGRAMMING AND HARDWARE   a2 ed.  aNEW DELHIbPRENTICE-HALL OF INDIAc1991  a624