BPSC TRE – OS: Full Length Mock Test 1 ⋆ CSE Study247

BPSC TRE – OS: Full Length Mock Test 1

Questions 41-45 of 80

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Question 41

MCQ · Single Correct 1 mark

What protocol is used to solve the Priority Inversion problem by temporarily boosting the priority of a low-priority process holding a lock needed by a high-priority process?

A Aging Protocol B Banker's Algorithm C Priority Inheritance Protocol D More than one of the above E None of the above

Question 42

MCQ · Single Correct 1 mark

In UNIX Inter-Process Communication (IPC), how does an Anonymous Pipe created with pipe(int fd[2]) communicate data?

A Bi-directionally across network connected remote servers B Uni-directionally between parent and child processes sharing file descriptors C Asynchronously via shared memory segment pointers D More than one of the above E None of the above

Question 43

MCQ · Single Correct 1 mark

What is the initial value of a Counting Semaphore used to manage access to a resource pool of N identical resource instances?

A 1 B 0 C N D More than one of the above E None of the above

Question 44

MCQ · Single Correct 1 mark

In the Readers-Writers problem, what constraint must be enforced for Writer processes?

A Writers must have exclusive access; no reader or writer can access shared data while a writer writes B Multiple writers can write simultaneously without locking C Readers must wait for all other readers to exit before reading D More than one of the above E None of the above

Question 45

MCQ · Single Correct 1 mark

What is the initial value of a Binary Semaphore used for mutual exclusion (mutex)?

A 0 B 1 C -1 D More than one of the above E None of the above