(a) Define Semaphores. How can it be used as a general synchronizatio…

Question

(a) Define Semaphores. How can it be used as a general synchronization tool? What advantage does a semaphore have as compared to a hardware test and set instruction?

(b) Define critical section problem and its solution using semaphore. Use this approach to solve producer consumer problem. (10, 10)

Related pages

• Semaphores — topic
• Operating Systems syllabus

More PYQs on Semaphores

• Discuss semaphores and how are they used to synchronize processes ?
• Explain the following terms with the help of examples: i. Race condition ii. Critical Section iii. Mutual exclusion with busy waiting iv. Counting Semaphore