A. come
B. dial
C. call
D. ring
第1题:
A、Phone-to-Phone
B、Phone-to-PC
C、Phone-to-Internet
D、PC-to-Internet
第2题:
TestClass类定义如下: class TestClass { private: intid; char gender; char*phone; public: TestClass ():id(0),gender('#'),phone(NULL){) TestClass(int no,char ge='#',char *ph=NULL) {id=no;gender=ge;phone=ph;} }; 下面类对象定义语句中错误的是( )。
A.TestClass myObj(i);
B.TestClass myObj(2,"11101111155");
C.TestClass myObj(1,'m');
D.TestClass myObj;
第3题:
【哲学家就餐问题-(B)】接续第55题 (B) 引入初值为4的信号量semMax,①处填上“wait(semMax); wait(chopstick[i]); wait(chopstick[(i+1)mod 5]);”,②处填上“signal(chopstick[i]); signal(chopstick[(i+1)mod 5]); signal(semMax);”
第4题:
A. An attempt to start a new session by the user belonging to DSS_QUERIES fails with an error
B. A user belonging to DSS_QUERIES can log in to a new session but the session will be queued
C. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management .
D. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management, I/O waits, and latch or enqueue contention
第5题:
下面游离SO2直接碘滴定法的原理叙述不正确的是( )。
A.I2与SO2发生氧化还原反应
B.I2被氧化成I-
C.SO2被氧化成SO2-4
D.微过量的I2遇淀粉产生兰色为终点
第6题:
【哲学家就餐问题-(C)】接续第55题 (C) 引入初值为1的信号量mutex,①处填上“wait(mutex); wait(chopstick[i]); wait(chopstick[(i+1)mod 5]); signal(mutex);”,②处填上“signal(chopstick[(i+1)mod 5]); signal(chopstick[i]);”