CS604 ALL Current Final Term Papers 2017

CS604 ALL Current Final Term Papers 2017

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 Reply by Kashan Malik on August 15, 2017 at 12:17pm

    MCQs: -

        Maximum MCQs were from Moaaz file.

    Subjective Qs:-

        Consider Ali is a system programmer who wrote page replacement Algorithm. Which algorithm Ali can use a benchmark against his page replacement algorithm? Justify your answer with reason.(3 Marks)
        While implementing semaphores wait signal operation implemented on two processes P0 and P1. Write sequence of wait and signals operations that can cause process to be caught into the problem of mutual exclusion.(3 Marks )
        Compare following table to the paging with segmentation. Fill you answer yes or no.(5 Marks)
        What are Access modes and classes in UNIX system? (3 Marks)
        Process, Resource, assigned resource, request resource and claim resource symbol are given, and write the symbol names according to Resource allocation graph terminology.
        Considering the Resource Allocation Graph, check deadlock occur or not, and give reason?

 

Paper 2

    What are Access modes and classes in UNIX system? (3 Marks)

Access modes are:

Read

Write

Execute

 

    Process, Resource, assigned resource, request resource and claim resource symbol are given, and write the symbol names according to Resource allocation graph terminology.

 

    Considering the Resource Allocation Graph, check deadlock occur or not, and give reason?
    The graph shown below has a cycle but there is no deadlock because processes P2
    and P4 do not require further resources to complete their execution and will release the
    resources they are currently hold in finite time. These resources can then be allocated to
    P1 and P3 for them to resume their execution.
    see page 131

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