题目内容

The following program consists of 3 concurrent processes and 3 binary semaphores. The semaphores are initialized as S0 = 1, S1 = 0, S2 = 0.How many times will P0 print ‘0’?

At least twice
B. Exactly twice
C. Exactly thrice
D. Exactly once

查看答案

搜索结果不匹配？点我反馈

更多问题

The code that changes the value of the semaphore is ____________

A. remainder section code
B. non – critical section code
C. critical section code
D. none of the mentioned

查看答案

If the semaphore value is negative ____________

A. its magnitude is the number of processes waiting on that semaphore
B. it is invalid
C. no operation can be further performed on it until the signal operation is performed on it
D. none of the mentioned

查看答案

The wait operation of the semaphore basically works on the basic _______ system call.

A. stop()
B. block()
C. hold()
D. wait()

查看答案

The signal operation of the semaphore basically works on the basic _______ system call

A. continue()
B. wakeup()
C. getup()
D. start()

查看答案

The following program consists of 3 concurrent processes and 3 binary semaphores. The semaphores are initialized as S0 = 1, S1 = 0, S2 = 0.How many times will P0 print ‘0’?

At least twice B. Exactly twice C. Exactly thrice D. Exactly once

The code that changes the value of the semaphore is ____________

If the semaphore value is negative ____________

The wait operation of the semaphore basically works on the basic _______ system call.

The signal operation of the semaphore basically works on the basic _______ system call

At least twice
B. Exactly twice
C. Exactly thrice
D. Exactly once