For anyinformation system to serve its purpose , the ihformation must be( )when it ìs needed.
- A.integral
- B.availab1e
- C.irreplaceable
- D.confidential
正确答案及解析
正确答案
B
解析
暂无解析
For anyinformation system to serve its purpose , the ihformation must be( )when it ìs needed.