20 Oct 2016

CS 703 30-05-2016 TIME : 7:30 am

Q#1. Suppose that a system is in an unsafe state. Show that that is possible for the process to completed their execution without entering a deadlock state.
Q#.2. Threads open resource sharing, are threads harmful for the system give solid reason?
Q#3. Do you think there are some events in computer systems that causes CPU scheduling?
Q#4. An operating system is running three concurrent P1,P2,P3 for three different users. each process require six units of computing time . P1 consist of a single thread, P2 consists of two threads , each requiring three of P2,S SIX TOTAL UNIT COMPUTING TIME....................
a) Suppose that the threads are kernel-supported and the kernel implements peemptive, round-robin scheduling of threads with a quantum on one time unit. of the first six units of time how many will devoted to each of the three process?
b) suppose threads are implemented entirely at the user level, and that .............

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