In a Boolean search, joining two terms with “and” broadens the search .
举一反三
- In a Boolean search, joining two terms with OR narrows the search. A: 正确 B: 错误
- In Boolean logic, the search formula A near B enlarges the scope of search over A.
- In Boolean Logic, if one wants to search only for sources relevant with computer virus, the search formula should be_______.
- In a database, there are usually two ways of search, i.e., basic search and a_________ search.
- They went into the forest ____ the lost child. A: search for B: search C: in search of D: in search to