Synchronization in an Operating System is a crucial concept that ensures multiple processes or threads can execute efficiently without conflicts while sharing common resources. It prevents problems such as race conditions, data inconsistency, and deadlocks by using mechanisms like semaphores, mutexes, and monitors.
The Operating System: Synchronization Online Test, launched by Teachexam, is designed to help students evaluate their understanding of these important concepts in a structured and practical way. This test is highly beneficial for academic exams such as BCA, B.Tech, MCA, as well as for competitive exams and technical interviews, where synchronization-related questions are frequently asked. Practicing through online tests improves problem-solving skills, time management, and conceptual clarity.
Total Questions : 20
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Question : Which classical synchronization problem can be solved using counting semaphores?
Question : Which operations are used to modify the value of a semaphore?
Question : What happens when the semaphore value becomes zero in a counting semaphore?
Question : In a counting semaphore, the initial value of the semaphore represents:
Question : What is a counting semaphore used for in an operating system?
Question : Counting semaphore allows values:
Question : Which type of semaphore allows only two values (0 and 1)?
Question : What happens when the semaphore value is zero during a wait operation?
Question : Which two basic operations are used in semaphores?
Question : What is a semaphore in an operating system?
Question : In the producer–consumer problem, the consumer goes to sleep when:
Question : In the producer–consumer problem, the producer goes to sleep when:
Question : The sleep and wake mechanism is commonly used to solve which synchronization problem?
Question : The wakeup() system call is used to:
Question : In an operating system, the sleep() system call is used to:
Question : The main advantage of synchronization without busy waiting is:
Question : When the semaphore value becomes negative during wait(), what happens?
Question : What data structure is associated with each semaphore to avoid busy waiting?
Question : Which two operations are used in semaphore implementation without busy waiting?
Question : In synchronization without busy waiting, when a process cannot enter the critical section it is: