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OPERATING SYSTEM
1. Describe the term operating system. Write down the functions of operating system.
2. Explain Thread? Write down the advantages and disadvantages of threads.
3. Differentiate between Single Partition Allocation and Multiple Partition Allocation.
4. Express the need of Page Replacement Algorithm? Explain the concept of FIFO page replacement algorithm.
5. What do you understand by a file? Write down the operations on files.
6. What do you mean by multiprocessor? List the advantages of multiprocessor systems.
There are three kinds of Data Abstraction: Physical level: The minimum level of abstraction defines how data are saved. Logical level: The next bigger level of a
Explain the Architecting For Threads When available, threads are an integral part of any multitasking server application program. It is important that the operating system prov
code for implementing NFU page replacement algorithm
TURNAROUND TIME
LOOK o Like SCAN except stops moving inwards (or outwards) when no more requests in that direction exist. C-SCAN (circular scan) o Moves inwards servicing requests u
Explain the TlsAlloc (VOID) This function is used to allocate a TLS index.Any subsequent TLS function calls will require the handle returned from TlsAlloc to be passed. The i
Synchronization serves two purposes: 1) to ensure safety for updates on shared data (e.g. to avoid races conditions), and 2) to coordinate and order actions taken by threads (e.g.
Pure and impure interpreters In a pure interpreter, the source program is maintained in the source form throughout its interpretation. This arrangement acquires substantia
Swapping : Whole process is moved from the swap machine to the main memory for execution. Process size must be equal or less than to the used main memory. It is easier to exe
How do we keep track of where the free pieces of memory are? One idea is to maintain a set of linked-lists of free space; each linked-list will store free chunks of some given size
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