7/29/2019 BC0042 Assignment Spring 2013

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February 2013 (Spring drive)

Bachelor of Computer Application (BCA) Semester 3

BC0042 Operating Systems 4 Credits

(Book ID: B0682)

(60 Marks)

Answer All Questions (6x10)

1. What is Micro-kernel? What are the benefits of Micro-kernel? [5+5 Marks]

2. Explain seven state process models used for OS with necessary diagram. Differentiate

between process and threads. [5+5 Marks]

3. What are the jobs of CPU scheduler? Explain any two scheduling algorithm. [5+5

Marks]

4. Explain the algorithm of petersons method for mutual exclusion. [10 Marks]

5. Explain how the block size is affected on I/O operation to read the file. [5+5 Marks]

6. Explain programmed I/O and interrupt I/O. How do they differ? [5+5 Marks]