A clear definition of the user's needs serves as the direct basis for the:
A.Work breakdown structure.
B.Functional requirements.
C.Project cost estimate.
D.Selection of personnel.
E.Termination decision.
第1题:
A.Direct-pathexportistypicallyfaster.
B.Direct-pathexportcanbeinvokedinteractively.
C.Direct-pathexportischaractersetindependent.
D.Direct-pathexportbypassestheSQL-commandprocessinglayer.
E.Direct-pathexportcanbeusedtoexportrowscontainingLOBsandBFILEs.
第2题:
第3题:
下列是基于过程块的组合逻辑建模的代码,设计正确的是()
A.reg y; reg a,b,clear; ... always@* if(clear) y=1'b0; always@* y=a & b;#B.always@* if (clear) y=1'b0; else y=a&b;#C.always@(a) y=a & b;#D.reg [1:0] s; ... case(s) 2'b00:y=1'b1; 2'b10:y=1'b0; 2'b11:y=1'b1; endcase第4题:
第5题:
对英语单词"workers"的分析,()是正确的。
A.work是词干
B.er是词缀
C.s是词缀,严格说是后缀
D.work和 er都是构词语素
第6题:
【单选题】创建一个新用户user01,设置其主目录为/home/user01。
A.#useradd –s /home/user01 -m user01
B.#useradd –d /home/user01 user01
C.#useradd –h /home/user01 -m user01
D.#useradd –c /home/user01 -m user01