1、计算机专业英语复习题 I Multiplechoices1.Howmanybasicunitsdotoday'sdigitalcomputersconsistof?A.4B.5C.6D.72.Whichofthefollowingdoesn'tbelongtothebasicunitofadigitalcomputer?A.memoryB.operatingsystemC.ALUD.CPU3.Whichofthefollowingreadsthedataandthecomputinginstructionsintothecomputer