2012 TOP PLACEMENT PAPERS OF ALMOST ALL MNC COMPANIES FOR THE ENGINEERING PAPERS FOR THEIR BETTER CARRIER AND GUIDENCE AND INTERVIEW TIPS FOR FRESHERS THAT HELP IN JOB HUNTING FOR THE FRESHERS.

2012 Placement Papers of Top MNC Companies

SATYAM || BIRLASOFT || HCL || IBM || INFOSYS || LnT

Tuesday, May 20, 2008

OPERATING SYSTEM QUESTIONS #2

What is the state of the processor, when a process is waiting for some event to occur?
What do you mean by deadlock?
Explain the difference between microkernel and macro kernel.
Give an example of microkernel.


When would you choose bottom up methodology?
When would you choose top down methodology?
Write a small dc shell script to find number of FF in the design.
Why paging is used ?
Which is the best page replacement algorithm and Why? How much time is spent usually in each phases and why?
Difference between Primary storage and secondary storage?
What is multi tasking, multi programming, multi threading?
Difference between multi threading and multi tasking?
What is software life cycle?
Demand paging, page faults, replacement algorithms, thrashing, etc.
Explain about paged segmentation and segment paging
While running DOS on a PC, which command would be used to duplicate the entire diskette?

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