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1. What is kernel? What are the main components of a kernel?
2. What is mutual exclusion? What are its requirements?
3. What are the two types of fragmentations? Illustrate them with block diagrams
Q. What protection problems may occur if a shared stack is used for parameter passing? Answer: The contents of the stack could be conciliation by other process(es) sharing th
What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
Define deadlock. A process requests resources; if the resources are not available at that time, the process enters a wait state. Waiting processes might be never again change s
PART A Question 1 Using your own words, explain what a continuous random variable and a continuous probability density function are. Give examples. Question 2 Gi
What are the various file operations? The six basic file operations are Creating a file Reading a file Writing a file Repositioning within a file Tr
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
Operating Systems have evolved tremendously in the last few decades. The first approach for building Operating Systems, taken during the 40s through early 60s, was to allow only on
Explain the ThreadSwitch function used in the netware Since NetWare 3 and 4 are nonpreemptive environments, it may be necessary for the application developer to explicitly reli
Question: (a) i. Consider Active Directory as a database, then for each type and new class of objects, what is created? ii. What is the purpose of the global catalog? ii
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