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List disadvantages of using a single directory.
Users have no privacy. Users must be careful in choosing file names, to avoid names used by others. Users may destroy each others' work.
p0A B C D A B C D A B C D 2 0 12 2012 1000 1354 0632 0014
categorize the CPU scheduling algorithms and among them explain the non-preemptive algorithms..
Explain the Alphabet and String A finite set of symbols is known as alphabet. An alphabet is frequently denoted by sigma, yet can be given any name. B = {0, 1} says B is an
What is an operating system process? How is it different from a program? Why do we need the concept of a process, rather than simply talk about programs running in memory? The e
Define thrashing. Thrashing is the accident of high page traffic and low CPU utilization. It is observed that the cause of thrashing is an under-commitment of memory to program
What is the difference between multiprocessing and multitasking? Multi programming means implementing more than one program but here whenever the processor is idle during execu
Define process? What is meant by state of a process? Process is a program in implementation. A process in general includes the process stack, which consists temporary data and
When you run a program on your UNIX system, the system prepares a special environment for that program. This environment owns everything needed for the system to execute the progra
Explain the basic concepts of segmentation. Segmentation definition User view of program Hardware used with diagram-segment table, base, limit & offset Protection and
How a virtual memory can be implemented? What are the benefits of using virtual memory?
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