Home » CSE VIVA Questions » 50 TOP MOST Operating Systems VIVA Questions and Answers – CSE 50 TOP MOST Operating Systems VIVA Questions and Answers – CSE Posted on June 15, 2015January 2, 2016 by engineer1 Comment Operating Systems VIVA Questions and Answers :- 1.What is an operating system? 2.What are the various components of a computer system? 3.What is purpose of different operating systems? 4.What are the different operating systems? 6.What is a boot-strap program? 7.What is BIOS? 8.Explain the concept of the batched operating systems? 9.Explain the concept of the multi-programmed operating systems? 10.Explain the concept of the time sharing operating systems? 11.Explain the concept of the multi-processor systems or parallel systems? 12.Explain the concept of the Distributed systems? 13.Explain the concept of Real-time operating systems? 14.Define MULTICS? 15.What is SCSI? 16.What is a sector? 17.What is cache-coherency? 18.What are residence monitors? 19.What is dual-mode operation? 20.What are the operating system components? 21.What are operating system services? 22.What are system calls? 23.What is a layered approach and what is its advantage? 24.What is micro kernel approach and site its advantages? 25.What are a virtual machines and site their advantages? Operating Systems VIVA Questions and Answers :- 26.What is a process? 27.What are the states of a process? 28.What are various scheduling queues? 29.What is a job queue? 30.What is a ready queue? 31.What is a device queue? 32.What is a long term scheduler & short term schedulers? 33.What is context switching? 34.What are the disadvantages of context switching? 35.What are co-operating processes? 36.What is a thread? 37.What are the benefits of multithreaded programming? 38.What are types of threads? 39.Which category the java thread do fall in? 40.What are multithreading models? 41.What is a P-thread? 42.What are java threads? 43.What is process synchronization? 44.What is critical section problem? 45.What is a semaphore? 46.What is bounded-buffer problem? 47.What is readers-writers problem? 48.What is dining philosophers’ problem? 49.What is a deadlock? 50.What are necessary conditions for dead lock?