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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.
The producer-consumermodel above has a standard human analogy of an assembly line. Humans have specialized skills, however, whereas threads running the same program do not need to
RESOURCE ALLOCATION GRAPH When a process Pi wishes an instance of resource type Rj, a request edge is inserted in the resource allocation graph. When this request is able to be
Compare contiguous-memory allocation with pure paging in the following aspects: 1. In support of dynamic memory allocation: most systems allow programs to allocate more memory t
Perform alpha-beta pruning on the following tree. Put an "X" over each node that is pruned. Put the final value next to all other nodes. Indicate which action MAX should take: to B
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
Conservative GC can be used for languages such as C and C++, which were not explicitly designed for garbage collection. This is a non-copying technique. A conservative garbage coll
Describe the technique of packing. The physical record size will not accurately match the length of the desired logical record and the Logical records may even differ in length
Q. If magnetic hard disks eventually have the same cost per gigabyte as do tapes will tapes turn into obsolete or will they still be needed? Describe your answer. Answer: Tap
Symmetric multiprocessing To get maximum reliability and efficiency a mode of function called as symmetric multiprocessing is used. In essence, with SMP any program or threads
discuss unsafe state in operating system
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