MCA MAGADH UNIVERSITY QUESTION (2016-2019) (second semester) OPERATING SYSTEMS

MCA MAGADH UNIVERSITY QUESTION (2016-2019) (second semester) OPERATING SYSTEMS

                                                                    2016-2019
                                                                  Time: 4 hours
                                                                 Full marks: 80
                                                      The questions are of equal value.
                                                      Answer any five questions.


(1). What is Operating system? What are the system components of an operating system? Explain them.

(2). What is a Process? Describe the various states the process can traverse?

(3). Explain about Virtual Memory Concept with neat diagram.

(4). Explain the basic scheme of page replacement and about the various Page replacement strategies.

(5). What are the necessary conditions to hold a deadlock in a system? Explain the Resource Allocation Graph Algorithm to deal with deadlock problem.

(6). What is meant by Disk Scheduling ? Explain the Various scheduling available.

(7). How Deadlock can be avoided? Explain Banker's algorithm with an example.

(8). What is meant by CPU  Scheduling? Explain the various scheduling algorithms available.

(9). Discuss in detail about various services of operating system in terms of memory and process management.

(10). Explain the security and protection provisions implemented in UNIX operating system.