●( 72) is a file that contains metadata-that is, data about data.
●(72) A. document
B. Excel table
C. database
D. data dictionary
第1题:
●The (72) tells the computer what to do.
(72) A.disk
B.memory
C.program
D.data
第2题:
Your data recovery strategy must meet the following requirements:·Back up all data files and folders in C:\Data.·Restore individual files and folders in C:\Data.·Ensure that data is backed up to and restored from external media.What should you do?()
A.A
B.B
C.C
D.D
第3题:
8、以下哪个是Node.js中用于获取文件信息的异步函数()。
A.fs.appendFile(file, data[, options], callback)
B.fs.writeFileSync(file, data[, options])
C.fs.stat(path, callback)
D.fs.writeFile(file, data[, options], callback)
第4题:
若要对Data类中重载的加法运算符成员函数进行声明,下列选项中正确的是( )。
A.Data+(DatA.;
B.Data operator+(DatA.;
C.Data+operator(DatA.;
D.operator+(Data,DatA.;
第5题:
第6题:
在Windows系统中,下列语句中,可用于读取当前目录下的data目录中的file.txt文件的是()
A.with open('data/file.txt', 'r') as f:
B.with open('datafile.txt', 'r') as f:
C.with open('datafile.txt', 'r') as f:
D.with open('data//file.txt', 'r') as f: