In Boolean Logic, if one wants to search only for sources relevant with computer virus, the search formula should be_______.


In Boolean Logic, if one wants to search only for sources relevant with computer virus, the search formula should be_______.

A.computer or virus

B.computer not virus

C.computer and virus

D.computer near virus

正确答案:CD


Tag:英语学术论文写作 时间:2021-11-28 15:26:16